/* ============================================================
   STARSHIPS & SORCERY — shared design system
   "Magical, hand-crafted worlds"
   Deep-space ink theme. Cyan = starships, gold = sorcery,
   violet = the urban-fantasy bridge between them.
   ============================================================ */

/* ---------- Fonts ---------- */
/* Fraunces (characterful display serif) + Spline Sans (body)
   + Spline Sans Mono (technical "transmission" labels) */

:root {
  /* core palette */
  --ink:       #07070d;
  --ink-2:     #0d0d16;
  --panel:     #12121d;
  --panel-2:   #171723;
  --line:      #25253a;
  --line-soft: #1c1c2b;

  /* text */
  --text:      #ece7da;   /* warm parchment */
  --text-dim:  #b9b6c4;
  --muted:     #7d7c91;

  /* brand duality */
  --sf:        #5ecfd6;   /* starships — steel cyan */
  --sf-deep:   #1f7e88;
  --ef:        #e0ad5c;   /* sorcery  — brass gold  */
  --ef-deep:   #9c6e22;
  --uf:        #a98be0;   /* bridge   — arcane violet */
  --uf-deep:   #5e44a0;

  --accent:    var(--ef);

  /* effects */
  --glow-sf:  0 0 0 1px rgba(94,207,214,.4), 0 18px 50px -12px rgba(94,207,214,.35);
  --glow-ef:  0 0 0 1px rgba(224,173,92,.4), 0 18px 50px -12px rgba(224,173,92,.35);
  --glow-uf:  0 0 0 1px rgba(169,139,224,.4), 0 18px 50px -12px rgba(169,139,224,.35);

  --radius:   14px;
  --maxw:     1160px;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body:    "Spline Sans", system-ui, -apple-system, sans-serif;
  --font-mono:    "Spline Sans Mono", ui-monospace, "SFMono-Regular", monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--text);
  line-height: 1.62;
  font-size: clamp(16px, 1rem + 0.15vw, 18px);
  letter-spacing: 0.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Atmosphere: starfield + nebula + grain ---------- */
body::before {
  /* layered nebula glows + faint starfield */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(94,207,214,.10), transparent 60%),
    radial-gradient(1000px 760px at 92% 108%, rgba(224,173,92,.10), transparent 60%),
    radial-gradient(900px 600px at 80% 4%, rgba(169,139,224,.07), transparent 60%),
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,.55), transparent 40%),
    radial-gradient(1.5px 1.5px at 70% 18%, rgba(255,255,255,.40), transparent 40%),
    radial-gradient(1.5px 1.5px at 40% 70%, rgba(255,255,255,.35), transparent 40%),
    radial-gradient(2px 2px at 85% 60%, rgba(255,255,255,.45), transparent 40%),
    radial-gradient(1.5px 1.5px at 55% 45%, rgba(255,255,255,.30), transparent 40%),
    radial-gradient(1.5px 1.5px at 30% 88%, rgba(255,255,255,.30), transparent 40%),
    var(--ink);
  background-attachment: fixed;
}
body::after {
  /* fine grain overlay */
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

/* duality rail on the far left edge */
.rail {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  z-index: 60;
  background: linear-gradient(180deg, var(--sf) 0%, var(--uf) 50%, var(--ef) 100%);
  opacity: .8;
}

/* ---------- Layout helpers ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(20px, 5vw, 48px); }
.section { padding-block: clamp(64px, 9vw, 120px); position: relative; }
.section--tight { padding-block: clamp(40px, 6vw, 72px); }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.04; letter-spacing: -0.01em; }
.display {
  font-weight: 600;
  font-size: clamp(2.7rem, 7.5vw, 5.6rem);
  line-height: 0.98;
  font-optical-sizing: auto;
}
.section-title { font-size: clamp(2rem, 4.5vw, 3.2rem); }
.lede { font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem); color: var(--text-dim); }

/* monospace "transmission" label */
.tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: .55em;
}
.tag::before { content: "//"; opacity: .65; letter-spacing: 0; }
.tag--sf { color: var(--sf); }
.tag--ef { color: var(--ef); }
.tag--uf { color: var(--uf); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
}

/* brand split colouring */
.brand-sf { color: var(--sf); }
.brand-ef { color: var(--ef); }
.amp { font-family: var(--font-display); font-style: italic; opacity: .55; font-weight: 400; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .6em;
  padding: .85em 1.4em;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  white-space: nowrap;
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn--buy {
  background: linear-gradient(135deg, var(--ef) 0%, #f0c878 100%);
  color: #1a1206;
  font-weight: 600;
  box-shadow: 0 10px 30px -10px rgba(224,173,92,.6);
}
.btn--buy:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -10px rgba(224,173,92,.75); }
.btn--ghost { border-color: var(--line); color: var(--text-dim); }
.btn--ghost:hover { border-color: var(--text-dim); color: var(--text); transform: translateY(-2px); }
.btn--sf { background: linear-gradient(135deg, var(--sf) 0%, #9af0f5 100%); color: #04181a; font-weight: 600; box-shadow: 0 10px 30px -10px rgba(94,207,214,.55); }
.btn--sf:hover { transform: translateY(-2px); }
.btn--lg { padding: 1.05em 1.8em; font-size: .9rem; }

/* ---------- Header / nav ---------- */
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ef); color: #1a1206; padding: .6em 1em; border-radius: 0 0 8px 0; z-index: 200;
}
.skip:focus { left: 0; }

.site-head {
  position: sticky; top: 0; z-index: 80;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  height: 70px;
}
.logo { display: inline-flex; align-items: baseline; gap: .45rem; font-family: var(--font-display); font-size: 1.18rem; font-weight: 600; letter-spacing: .01em; }
.logo .amp { font-size: 1.1rem; }
.logo:hover .brand-sf { text-shadow: 0 0 18px rgba(94,207,214,.6); }
.logo:hover .brand-ef { text-shadow: 0 0 18px rgba(224,173,92,.6); }

.nav-links { display: flex; align-items: center; gap: .35rem; }
.nav-links a, .nav-toggle {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: .55em .8em;
  border-radius: 8px;
  transition: color .2s, background .2s;
  background: none; border: none;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); background: var(--panel); }
.nav-links a[aria-current="page"] { color: var(--ef); }
.nav-ext { color: var(--sf) !important; }
.nav-ext svg { width: .85em; height: .85em; margin-left: .15em; vertical-align: -1px; }

/* dropdown */
.has-menu { position: relative; }
.nav-toggle { display: inline-flex; align-items: center; gap: .4em; color: var(--text-dim); }
.nav-toggle:hover { color: var(--text); background: var(--panel); }
.nav-toggle svg { width: .7em; height: .7em; transition: transform .2s; }
.has-menu[data-open="true"] .nav-toggle svg { transform: rotate(180deg); }
.menu {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 280px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  display: grid; gap: 2px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.8);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.has-menu[data-open="true"] .menu { opacity: 1; visibility: visible; transform: translateY(0); }
.menu a {
  display: grid; gap: 1px;
  padding: .6em .75em; border-radius: 8px;
  text-transform: none; letter-spacing: 0; font-family: var(--font-body);
}
.menu a:hover { background: var(--panel); }
.menu a strong { font-weight: 600; font-size: .95rem; color: var(--text); }
.menu a span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

.hamburger { display: none; }

/* mobile nav */
@media (max-width: 860px) {
  .hamburger {
    display: inline-flex; flex-direction: column; gap: 4px; justify-content: center;
    width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel);
  }
  .hamburger span { display: block; width: 18px; height: 2px; background: var(--text); margin-inline: auto; transition: .25s; }
  body[data-nav="open"] .hamburger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body[data-nav="open"] .hamburger span:nth-child(2) { opacity: 0; }
  body[data-nav="open"] .hamburger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .nav-links {
    position: fixed; inset: 70px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: .2rem;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(20px,5vw,48px) 1.6rem;
    transform: translateY(-120%);
    transition: transform .32s cubic-bezier(.4,0,.2,1);
    max-height: calc(100vh - 70px); overflow-y: auto;
  }
  body[data-nav="open"] .nav-links { transform: translateY(0); }
  .nav-links a, .nav-toggle { font-size: .95rem; padding: .8em .6em; }
  .has-menu { position: static; }
  .menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; background: transparent; border: none; padding: 0 0 0 .6em; min-width: 0;
    display: none;
  }
  .has-menu[data-open="true"] .menu { display: grid; }
}

/* ---------- Hero (home) ---------- */
.hero { position: relative; padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(56px, 9vw, 110px); }
.hero__inner { display: grid; gap: clamp(40px, 5vw, 72px); grid-template-columns: 1.15fr .85fr; align-items: center; }
.hero__title { margin: .35em 0 .5em; }
.hero__title .line { display: block; }
.hero__lede { max-width: 36ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero__meta { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1.4rem 2rem; }
.hero__meta div { display: grid; gap: .15rem; }
.hero__meta b { font-family: var(--font-display); font-size: 1.7rem; line-height: 1; }
.hero__meta span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }

/* hero cover fan */
.cover-fan { position: relative; min-height: 360px; display: flex; align-items: center; justify-content: center; }
.cover-fan > picture, .cover-fan > img {
  position: absolute;
  width: clamp(140px, 22vw, 215px);
  border-radius: 6px;
  box-shadow: 0 30px 60px -18px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.cover-fan > picture > img { display: block; width: 100%; border-radius: 6px; }
.cover-fan > :nth-child(1) { transform: rotate(-13deg) translate(-118px, 14px) scale(.9); z-index: 1; filter: brightness(.82); }
.cover-fan > :nth-child(2) { transform: rotate(-6deg)  translate(-58px, 4px) scale(.96); z-index: 2; filter: brightness(.92); }
.cover-fan > :nth-child(3) { transform: rotate(0deg)   translate(0, -6px) scale(1.04); z-index: 4; }
.cover-fan > :nth-child(4) { transform: rotate(7deg)   translate(60px, 6px) scale(.96); z-index: 3; filter: brightness(.92); }
.cover-fan > :nth-child(5) { transform: rotate(13deg)  translate(120px, 18px) scale(.9); z-index: 1; filter: brightness(.82); }
.cover-fan:hover > :nth-child(1) { transform: rotate(-16deg) translate(-150px, 14px) scale(.92); filter: brightness(.9); }
.cover-fan:hover > :nth-child(2) { transform: rotate(-8deg)  translate(-78px, 0) scale(.98); filter: brightness(1); }
.cover-fan:hover > :nth-child(4) { transform: rotate(9deg)   translate(80px, 2px) scale(.98); filter: brightness(1); }
.cover-fan:hover > :nth-child(5) { transform: rotate(16deg)  translate(152px, 18px) scale(.92); filter: brightness(.9); }

@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; }
  .cover-fan { order: -1; min-height: 320px; margin-top: .5rem; }
}

/* ---------- Section headings ---------- */
.head { max-width: 64ch; margin-bottom: clamp(2rem, 4vw, 3.4rem); }
.head .section-title { margin: .4rem 0 .8rem; }
.head--center { margin-inline: auto; text-align: center; }

/* divider line */
.hr-glow { height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--line), transparent); }

/* ---------- Series cards (home) ---------- */
.series-grid { display: grid; gap: clamp(20px, 2.5vw, 30px); }
.series-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink-2) 100%);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
  position: relative;
  overflow: hidden;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.series-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: var(--g, var(--ef)); opacity: .8;
}
.series-card--sf { --g: var(--sf); }
.series-card--ef { --g: var(--ef); }
.series-card--uf { --g: var(--uf); }
.series-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--g) 50%, var(--line)); box-shadow: 0 26px 60px -28px color-mix(in srgb, var(--g) 60%, black); }
.series-card__media { position: relative; }
.series-card__media picture, .book__cover picture, .series-hero__cover picture { display: block; }
.series-card__media img {
  width: 100%; border-radius: 6px;
  box-shadow: 0 18px 40px -16px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.05);
  transition: transform .35s ease;
}
.series-card:hover .series-card__media img { transform: scale(1.04) rotate(-1deg); }
.series-card__info h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); margin: .5rem 0 .6rem; }
.series-card__info p { color: var(--text-dim); max-width: 54ch; }
.series-card__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 1.2rem; }
.series-card__count { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.series-card__cta { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--g, var(--ef)); margin-left: auto; transition: gap .2s; display: inline-flex; gap: .4em; }
.series-card:hover .series-card__cta { gap: .8em; }

@media (max-width: 620px) {
  .series-card { grid-template-columns: 1fr; }
  .series-card__media { width: 150px; }
  .series-card__cta { margin-left: 0; }
}

/* ---------- "Where to start" ---------- */
.start-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); }
.start-card {
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: clamp(22px, 2.5vw, 30px); position: relative;
  transition: transform .25s, border-color .25s;
}
.start-card:hover { transform: translateY(-3px); border-color: var(--line); }
.start-card .n { font-family: var(--font-display); font-size: 2.6rem; line-height: 1; color: var(--g, var(--ef)); opacity: .85; }
.start-card h4 { font-size: 1.3rem; margin: .6rem 0 .5rem; }
.start-card p { color: var(--text-dim); font-size: .95rem; }
.start-card a { color: var(--g, var(--ef)); font-family: var(--font-mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; display: inline-flex; gap: .4em; margin-top: 1rem; }
.start-card a:hover { gap: .8em; }
.start-card--sf { --g: var(--sf); }
.start-card--uf { --g: var(--uf); }
.start-card--ef { --g: var(--ef); }
@media (max-width: 800px) { .start-grid { grid-template-columns: 1fr; } }

/* ---------- Author ---------- */
.author { display: grid; grid-template-columns: 280px 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
.author__photo { position: relative; }
.author__photo img { border-radius: var(--radius); filter: grayscale(.15) contrast(1.02); box-shadow: 0 24px 60px -24px rgba(0,0,0,.9); }
.author__photo::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); box-shadow: inset 0 0 0 1px rgba(255,255,255,.07); }
.author__body h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin: .5rem 0 1rem; }
.author__body p { color: var(--text-dim); max-width: 60ch; }
.author__body p + p { margin-top: 1rem; }
.author__links { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
@media (max-width: 720px) { .author { grid-template-columns: 1fr; } .author__photo { max-width: 240px; } }

/* ---------- Follow / CTA band ---------- */
.band {
  background:
    radial-gradient(700px 300px at 15% 0%, rgba(94,207,214,.12), transparent 70%),
    radial-gradient(700px 300px at 85% 100%, rgba(224,173,92,.14), transparent 70%),
    var(--ink-2);
  border-block: 1px solid var(--line-soft);
}
.band__inner { text-align: center; max-width: 720px; margin-inline: auto; }
.band h2 { font-size: clamp(1.9rem, 4vw, 3rem); margin-bottom: .8rem; }
.band p { color: var(--text-dim); margin-inline: auto; max-width: 52ch; }
.signup { display: flex; gap: .6rem; max-width: 480px; margin: 1.8rem auto 1rem; flex-wrap: wrap; }
.signup input {
  flex: 1 1 240px; min-width: 0;
  background: var(--ink); border: 1px solid var(--line); color: var(--text);
  padding: .9em 1.2em; border-radius: 999px; font: inherit; font-size: .95rem;
}
.signup input::placeholder { color: var(--muted); }
.signup input:focus { outline: none; border-color: var(--ef); box-shadow: 0 0 0 3px rgba(224,173,92,.18); }
.band__alt { margin-top: 1.4rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.band__note { font-size: .8rem; color: var(--muted); margin-top: .4rem; }
.band__success { font-size: 1.05rem; margin: 1.2rem auto; max-width: 42ch; }
.band__success strong { color: var(--ef); }

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line-soft); padding-block: clamp(40px, 5vw, 60px); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: clamp(24px, 4vw, 48px); }
.foot-brand .logo { font-size: 1.3rem; margin-bottom: .8rem; }
.foot-brand p { color: var(--muted); font-size: .9rem; max-width: 34ch; }
.foot-col h5 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; font-weight: 500; }
.foot-col a { display: block; color: var(--text-dim); padding: .25em 0; font-size: .92rem; transition: color .2s; }
.foot-col a:hover { color: var(--text); }
.foot-bottom { margin-top: clamp(28px, 4vw, 44px); padding-top: 1.6rem; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .6rem; color: var(--muted); font-size: .82rem; font-family: var(--font-mono); letter-spacing: .04em; }
@media (max-width: 700px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }

/* ============================================================
   SERIES PAGE
   ============================================================ */
.series-hero { position: relative; padding-top: clamp(40px, 6vw, 72px); padding-bottom: clamp(40px, 5vw, 64px); }
.series-hero__inner { display: grid; grid-template-columns: 260px 1fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.series-hero__cover img {
  width: 100%; border-radius: 8px;
  box-shadow: 0 40px 80px -28px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.06);
}
.series-hero__cover { position: relative; }
.series-hero__cover::before {
  content: ""; position: absolute; inset: -30px; z-index: -1; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--g, var(--ef)) 35%, transparent), transparent 70%);
  filter: blur(20px); opacity: .5;
}
.series-hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); margin: .5rem 0 .8rem; }
.series-hero__lede { font-size: clamp(1.05rem, 1rem + 0.5vw, 1.3rem); color: var(--text-dim); max-width: 52ch; }
.series-hero__facts { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 1.8rem; }
.series-hero__facts div b { font-family: var(--font-display); font-size: 1.5rem; display: block; line-height: 1; }
.series-hero__facts div span { font-family: var(--font-mono); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.backlink { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); display: inline-flex; gap: .5em; transition: gap .2s, color .2s; }
.backlink:hover { color: var(--text); gap: .8em; }
@media (max-width: 760px) {
  .series-hero__inner { grid-template-columns: 1fr; }
  .series-hero__cover { max-width: 210px; }
}

/* book entries */
.books { display: grid; gap: clamp(28px, 4vw, 52px); }
.book {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
  padding-bottom: clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--line-soft);
}
.books .book:last-child { border-bottom: 0; padding-bottom: 0; }
.book__cover { position: relative; }
.book__cover img {
  width: 100%; border-radius: 6px;
  box-shadow: 0 20px 44px -18px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.05);
}
.book__num { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--g, var(--ef)); margin-bottom: .5rem; }
.book__title { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: .5rem; }
.book__hook { font-family: var(--font-display); font-style: italic; font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--text); margin-bottom: 1rem; line-height: 1.3; }
.book__blurb { color: var(--text-dim); font-size: .96rem; }
.book__blurb p + p { margin-top: .8rem; }
.book__actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.4rem; }

/* faux cover (books without artwork) */
.faux-cover {
  aspect-ratio: 2 / 3; border-radius: 6px;
  background:
    linear-gradient(160deg, color-mix(in srgb, var(--g, var(--ef)) 22%, var(--panel)) 0%, var(--ink-2) 70%);
  border: 1px solid color-mix(in srgb, var(--g, var(--ef)) 30%, var(--line));
  box-shadow: 0 20px 44px -18px rgba(0,0,0,.85);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 16px 14px; position: relative; overflow: hidden;
}
.faux-cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120px 120px at 70% 20%, color-mix(in srgb, var(--g, var(--ef)) 30%, transparent), transparent 70%);
  opacity: .6;
}
.faux-cover .fb { font-family: var(--font-mono); font-size: .6rem; letter-spacing: .3em; color: var(--g, var(--ef)); }
.faux-cover .ft { font-family: var(--font-display); font-size: 1.35rem; line-height: 1.05; color: var(--text); position: relative; z-index: 1; }
.faux-cover .fs { font-family: var(--font-mono); font-size: .54rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }

.book--sf { --g: var(--sf); }
.book--ef { --g: var(--ef); }
.book--uf { --g: var(--uf); }

@media (max-width: 560px) {
  .book { grid-template-columns: 120px 1fr; gap: 18px; }
}

/* series cross-nav */
.series-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.series-nav a {
  border: 1px solid var(--line-soft); border-radius: var(--radius); padding: 1.2rem 1.4rem;
  display: grid; gap: .3rem; transition: border-color .25s, transform .25s, background .25s;
}
.series-nav a:hover { border-color: var(--line); transform: translateY(-2px); background: var(--panel); }
.series-nav .dir { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.series-nav .name { font-family: var(--font-display); font-size: 1.2rem; }
.series-nav a.next { text-align: right; }
@media (max-width: 560px) { .series-nav { grid-template-columns: 1fr; } .series-nav a.next { text-align: left; } }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

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