/* ============================================================
   Readnite — Landing experience
   A website that behaves like a book: cover, chapters, a page
   counter, and a passage that illuminates as you read.

   Design system mirrored from the app (src/constants):
   Display: TikTok Sans · Body: Geist
   Palette: DARK_THEME — bg #060708, cards #0c0d0f, ember #eb4900
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=TikTok+Sans:opsz,wght@12..36,300..900&family=Geist:wght@300..700&display=swap');

:root {
  --bg:        #060708;
  --surface:   #0c0d0f;
  --surface-2: #131518;
  --border:    #1e2124;
  --border-2:  #2e3135;

  --text:   #edeef0;
  --text-2: #b0b4ba;
  --text-3: #565c64;

  --accent:       #eb4900;
  --accent-soft:  #ff6a1f;
  --accent-dim:   color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-faint: color-mix(in srgb, var(--accent) 6%, transparent);

  --font-display: 'TikTok Sans', system-ui, sans-serif;
  --font-body:    'Geist', system-ui, sans-serif;

  --max-w: 1160px;
  --pad-h: clamp(20px, 4vw, 40px);

  /* Legacy aliases used by subpages that share components */
  --bg-primary: #060708;
  --bg-card: #0c0d0f;
  --text-primary: #edeef0;
  --text-secondary: #b0b4ba;
  --accent-hover: #ff5d10;
  --radius: 14px;
}

/* --- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

::selection { background: color-mix(in srgb, var(--accent) 32%, transparent); color: var(--text); }
html { scrollbar-color: var(--border-2) var(--bg); scrollbar-width: thin; }
h1, h2, h3 { text-wrap: balance; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* --- Grain --------------------------------------------------- */
.grain {
  position: fixed; inset: -50%; width: 200%; height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='512' height='512'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.028; pointer-events: none; z-index: 9999;
  animation: grain-shift 9s steps(10) infinite;
}
@keyframes grain-shift {
  0% { transform: translate(0,0); } 10% { transform: translate(-2%,-3%); }
  20% { transform: translate(3%,1%); } 30% { transform: translate(-1%,4%); }
  40% { transform: translate(2%,-2%); } 50% { transform: translate(-3%,1%); }
  60% { transform: translate(1%,3%); } 70% { transform: translate(-2%,-1%); }
  80% { transform: translate(3%,2%); } 90% { transform: translate(-1%,-3%); }
}

/* --- Reading chrome ------------------------------------------ */
.read-progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: transparent; z-index: 300;
}
.read-progress-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);
}
.page-indicator {
  position: fixed; right: 22px; bottom: 20px; z-index: 250;
  font-family: var(--font-body);
  font-size: 0.72rem; letter-spacing: 0.08em; color: var(--text-3);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-radius: 100px; padding: 6px 14px;
  user-select: none;
}
.page-indicator #pageNow { color: var(--text-2); }
.pi-sep { opacity: 0.7; }

/* --- Nav ------------------------------------------------------ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 200;
  border-bottom: 1px solid transparent;
  transition: background .35s, border-color .35s;
}
.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 var(--pad-h);
  height: 64px; display: flex; align-items: center; gap: 32px;
}
.nav-logo { height: 26px; width: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; }
.nav-links a {
  position: relative;
  font-size: 0.85rem; color: var(--text-2); transition: color .2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 100%; bottom: -4px;
  height: 1.5px; background: var(--accent); transition: right .25s ease;
}
.nav-links a:hover::after { right: 0; }
.badge-pill {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent);
  background: var(--accent-dim); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: 100px; padding: 5px 12px; white-space: nowrap;
}

/* Burger (mobile only) */
.nav-burger {
  display: none; position: relative; z-index: 360;
  width: 44px; height: 44px; margin-right: -10px;
  flex-direction: column; align-items: center; justify-content: center; gap: 7px;
}
.nav-burger span {
  display: block; width: 22px; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform .35s cubic-bezier(.2,.7,.3,1), background .3s;
}
body.menu-open .nav-burger span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); background: var(--accent); }
body.menu-open .nav-burger span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); background: var(--accent); }

/* Full-screen mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 350;
  display: flex; flex-direction: column; justify-content: center;
  padding: 96px var(--pad-h) 48px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity .35s ease, transform .35s cubic-bezier(.2,.7,.3,1), visibility 0s .35s;
}
body.menu-open .mobile-menu {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity .35s ease, transform .35s cubic-bezier(.2,.7,.3,1);
}
body.menu-open { overflow: hidden; }
.mm-links { display: grid; gap: 8px; }
.mm-links a {
  display: flex; align-items: baseline; gap: 18px;
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2rem, 9vw, 3rem); letter-spacing: -0.02em;
  padding: 10px 0; border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(16px);
  transition: opacity .5s ease, transform .5s cubic-bezier(.2,.7,.3,1), color .25s;
}
.mm-links a:active, .mm-links a:hover { color: var(--accent); }
.mm-links a em {
  font-style: normal; font-family: var(--font-body); font-weight: 500;
  font-size: 0.72rem; letter-spacing: 0.18em; color: var(--accent);
}
body.menu-open .mm-links a { opacity: 1; transform: none; }
body.menu-open .mm-links a:nth-child(1) { transition-delay: .06s; }
body.menu-open .mm-links a:nth-child(2) { transition-delay: .12s; }
body.menu-open .mm-links a:nth-child(3) { transition-delay: .18s; }
body.menu-open .mm-links a:nth-child(4) { transition-delay: .24s; }
body.menu-open .mm-links a:nth-child(5) { transition-delay: .30s; }
.mm-foot { margin-top: 40px; color: var(--text-3); font-size: 0.78rem; font-style: italic; }

/* --- Reveal system -------------------------------------------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.in-view { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }

/* Cover line-mask entrances */
.mask-line { display: block; overflow: hidden; }
.mask-line > span { display: inline-block; transform: translateY(110%); animation: line-up 1s cubic-bezier(.2,.7,.2,1) forwards; }
.cover-eyebrow.mask-line > span { animation-delay: .15s; }
.cover-title .mask-line:nth-child(1) > span { animation-delay: .3s; }
.cover-title .mask-line:nth-child(2) > span { animation-delay: .42s; }
.cover-sub.mask-line > span { animation-delay: .62s; }
.cover-cta.mask-line > span { animation-delay: .78s; }
@keyframes line-up { to { transform: translateY(0); } }

/* --- Cover ----------------------------------------------------- */
.cover {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 96px var(--pad-h) 72px; overflow: hidden;
}
.cover-glow {
  position: absolute; width: 70vmin; height: 70vmin; border-radius: 50%;
  left: 50%; top: 44%; transform: translate(-50%, -50%);
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 13%, transparent) 0%, transparent 62%);
  pointer-events: none; filter: blur(8px);
  transition: transform .6s cubic-bezier(.2,.7,.3,1);
}
.cover-inner { position: relative; z-index: 1; }
.cover-eyebrow {
  font-size: 0.78rem; font-weight: 500; letter-spacing: 0.22em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 30px;
}
.cover-title {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(4rem, 14vw, 12rem);
  line-height: 0.92; letter-spacing: -0.035em; margin-bottom: 34px;
}
.cover-title em { font-style: normal; color: var(--accent); }
.cover-sub {
  font-size: clamp(0.98rem, 1.4vw, 1.15rem); color: var(--text-2);
  line-height: 1.8; margin-bottom: 44px;
}
.gplay-card {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border-2);
  border-radius: 16px; padding: 14px 20px; cursor: default;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.gplay-card:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border-2));
  box-shadow: 0 12px 40px -12px color-mix(in srgb, var(--accent) 30%, transparent);
  transform: translateY(-2px);
}
.gplay-icon { width: 24px; height: 24px; flex-shrink: 0; }
.gplay-text { display: flex; flex-direction: column; gap: 1px; text-align: left; }
.gplay-label { font-size: 0.62rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-3); }
.gplay-store { font-size: 0.95rem; font-weight: 500; color: var(--text); }
.gplay-soon {
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim); border-radius: 100px; padding: 4px 10px;
}
.scroll-cue {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-3);
  transition: color .3s; z-index: 1;
}
.scroll-cue:hover { color: var(--accent); }
.scroll-cue i { animation: cue-bob 2.2s ease-in-out infinite; }
@keyframes cue-bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* --- Ember field ------------------------------------------------ */
.ember-field { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.ember-p {
  position: absolute; left: var(--x); bottom: -12px;
  width: var(--size); height: var(--size); border-radius: 50%;
  background: radial-gradient(circle, #ffb27a 0%, var(--accent) 55%, transparent 78%);
  box-shadow: 0 0 6px 1px color-mix(in srgb, var(--accent) 50%, transparent);
  opacity: 0; will-change: transform, opacity;
  animation: ember-rise var(--dur) linear infinite; animation-delay: var(--delay);
}
@keyframes ember-rise {
  0%   { transform: translate3d(0,0,0) scale(1); opacity: 0; }
  8%   { opacity: var(--peak); }
  55%  { opacity: calc(var(--peak) * 0.55); }
  100% { transform: translate3d(var(--sway), -82vh, 0) scale(0.35); opacity: 0; }
}

/* --- Marquee shelf ----------------------------------------------- */
.marquee {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 18px 0; overflow: hidden; white-space: nowrap;
  background: color-mix(in srgb, var(--surface) 55%, transparent);
}
/* Two identical groups; the track slides exactly one group width
   (-50% of itself), so the loop point is pixel-perfect and endless. */
.marquee-track {
  display: flex; width: max-content;
  animation: marquee 46s linear infinite; will-change: transform;
}
.marquee-group {
  display: flex; align-items: baseline; gap: 28px;
  padding-right: 28px; flex-shrink: 0;
}
.marquee-group span {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.95rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3); white-space: nowrap;
}
.marquee-group i { color: var(--accent); font-style: normal; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --- Chapters ------------------------------------------------------ */
.chapter {
  position: relative;
  max-width: var(--max-w); margin: 0 auto;
  padding: clamp(96px, 14vh, 160px) var(--pad-h);
  display: grid; grid-template-columns: 220px 1fr; gap: clamp(24px, 5vw, 80px);
}
.chapter-side { position: relative; }
.chapter-side > * { position: sticky; top: 120px; }
.chapter-numeral {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(5rem, 10vw, 9rem); line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--border-2);
  user-select: none;
}
.chapter-name {
  top: calc(120px + clamp(5rem, 10vw, 9rem));
  margin-top: 10px;
  font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-3);
}
.chapter-heading {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.1rem, 4.4vw, 3.6rem); line-height: 1.04;
  letter-spacing: -0.02em; margin-bottom: 22px;
}
.chapter-heading em { font-style: normal; color: var(--accent); }
.chapter-text { color: var(--text-2); max-width: 520px; margin-bottom: 26px; }
.chapter-text a { color: var(--accent); border-bottom: 1px solid var(--accent-dim); }
.chapter-list { display: grid; gap: 10px; margin-bottom: 42px; }
.chapter-list li { display: flex; gap: 10px; align-items: baseline; color: var(--text-2); font-size: 0.95rem; }
.chapter-list i { color: var(--accent); transform: translateY(2px); }

/* Screens (app vignettes) */
.screen {
  width: min(340px, 100%);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 22px; padding: 22px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.02) inset;
  transition: transform .5s cubic-bezier(.2,.7,.3,1), border-color .5s, box-shadow .5s;
}
.screen:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  box-shadow: 0 42px 90px -30px rgba(0,0,0,.95), 0 0 60px -20px var(--accent-dim);
}
.chapter-alt .screen { margin-left: auto; }

/* reader screen */
.scr-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.scr-title { font-family: var(--font-display); font-weight: 600; font-size: 0.9rem; }
.scr-chip { font-size: 0.62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); border: 1px solid var(--border); border-radius: 100px; padding: 3px 9px; }
.scr-lines { display: grid; gap: 9px; margin-bottom: 22px; }
.scr-lines i { display: block; height: 7px; border-radius: 4px; background: var(--surface-2); }
.scr-lines i.gap { background: transparent; height: 4px; }
.scr-foot { display: flex; align-items: center; gap: 12px; }
.scr-track { flex: 1; height: 3px; border-radius: 2px; background: var(--surface-2); overflow: hidden; display: block; }
.scr-fill { display: block; height: 100%; background: var(--accent); border-radius: 2px; }
.scr-page { font-size: 0.66rem; color: var(--text-3); letter-spacing: .04em; white-space: nowrap; }

/* library screen */
.lib-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.lib-book { display: grid; gap: 6px; }
.lib-cover { display: block; aspect-ratio: 2/3; border-radius: 7px; border: 1px solid rgba(255,255,255,.05); }
.lib-cover.c1 { background: linear-gradient(150deg, #1e3a5f, #0a1f35); }
.lib-cover.c2 { background: linear-gradient(150deg, #4a2016, #1f0d08); }
.lib-cover.c3 { background: linear-gradient(150deg, #1e3a26, #0a1f10); }
.lib-cover.c4 { background: linear-gradient(150deg, #3a2e18, #1f180a); }
.lib-cover.c5 { background: linear-gradient(150deg, #33204a, #150d1f); }
.lib-cover.c6 { background: linear-gradient(150deg, #1a3340, #0a171f); }
.lib-prog { display: block; height: 3px; border-radius: 2px; background: var(--surface-2); overflow: hidden; }
.lib-prog span { display: block; height: 100%; background: var(--accent); }

/* streak screen */
.screen-streak { text-align: center; }
.stk-flame { font-size: 1.6rem; margin-bottom: 4px; }
.stk-num { font-family: var(--font-display); font-weight: 900; font-size: 4.4rem; line-height: 1; color: var(--accent); }
.stk-label { font-size: 0.72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--text-3); margin: 8px 0 20px; }
.stk-week { display: flex; justify-content: center; gap: 8px; margin-bottom: 20px; }
.stk-week span { width: 12px; height: 12px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); }
.stk-week span.on { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 8px var(--accent-dim); }
.stk-badges { display: flex; justify-content: center; gap: 10px; font-size: 1.15rem; }
.stk-badges span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); filter: grayscale(1) opacity(.4); }
.stk-badges span.earned { filter: none; border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }

/* discover screen */
.dsc-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.dsc-row.dim { opacity: .45; }
.dsc-chip {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin: 14px 0; padding: 9px; border-radius: 10px;
  background: var(--accent-faint); border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--accent); font-size: 0.78rem; font-weight: 500;
}

/* sync screen */
.syn-row { display: flex; align-items: center; gap: 12px; padding: 11px 12px; border: 1px solid var(--border); border-radius: 11px; margin-bottom: 10px; background: var(--surface-2); }
.syn-row i { color: var(--text-3); }
.syn-row .syn-ok { color: #22C55E; margin-left: auto; }
.syn-name { display: block; height: 7px; border-radius: 4px; background: var(--border-2); }
.syn-prog { margin-left: auto; width: 54px; height: 3px; border-radius: 2px; background: var(--border); overflow: hidden; }
.syn-prog span { display: block; height: 100%; width: 40%; background: var(--accent); border-radius: 2px; animation: syn-run 1.6s ease-in-out infinite; }
@keyframes syn-run { 0% { transform: translateX(-100%);} 100% { transform: translateX(180%);} }
.syn-pill {
  display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px;
  color: var(--text-2); font-size: 0.78rem;
}
.syn-pill i { color: #22C55E; }

/* --- The Passage ---------------------------------------------------- */
.passage {
  min-height: 130vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20vh var(--pad-h);
}
.passage-inner { max-width: 880px; text-align: center; }
.passage-text {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 4.2vw, 3.4rem); line-height: 1.35; letter-spacing: -0.01em;
}
.passage-text .w {
  color: var(--text-3);
  transition: color .45s ease, text-shadow .45s ease;
}
.passage-text .w.lit {
  color: var(--text);
  text-shadow: 0 0 24px color-mix(in srgb, var(--accent) 24%, transparent);
}
.passage-attribution {
  margin-top: 34px; font-size: 0.85rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-3); opacity: 0; transform: translateY(10px);
  transition: opacity .8s ease, transform .8s ease;
}
.passage-attribution.lit { opacity: 1; transform: none; color: var(--accent); }

/* --- Editions -------------------------------------------------------- */
.editions { max-width: var(--max-w); margin: 0 auto; padding: clamp(96px, 14vh, 160px) var(--pad-h); }
.editions-head { text-align: center; margin-bottom: 64px; }
.section-eyebrow {
  font-size: 0.74rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 18px;
}
.section-title em { font-style: normal; color: var(--accent); }
.section-sub { color: var(--text-2); max-width: 480px; margin: 0 auto; }

.editions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.edition {
  position: relative;
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  padding: 34px 30px 30px 38px; overflow: hidden;
  transition: transform .45s cubic-bezier(.2,.7,.3,1), border-color .45s, box-shadow .45s;
}
.edition:hover {
  transform: translateY(-8px);
  border-color: var(--border-2);
  box-shadow: 0 34px 70px -30px rgba(0,0,0,.9);
}
.edition-spine {
  position: absolute; left: 0; top: 0; bottom: 0; width: 8px;
  background: linear-gradient(180deg, var(--border-2), var(--border));
}
.edition-featured { background: var(--surface-2); border-color: color-mix(in srgb, var(--accent) 34%, var(--border)); box-shadow: 0 0 70px -18px var(--accent-dim); }
.edition-featured .edition-spine { background: linear-gradient(180deg, var(--accent-soft), var(--accent)); }
.edition-featured:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 34px 80px -28px rgba(0,0,0,.95), 0 0 90px -20px var(--accent-dim); }
.edition-ribbon {
  position: absolute; top: 18px; right: 18px;
  font-size: 0.64rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-dim);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 4px 10px; border-radius: 100px;
}
.edition-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; margin-bottom: 16px; }
.edition-price { font-family: var(--font-display); font-weight: 900; font-size: 3rem; line-height: 1; }
.edition-price .cur { font-size: 1.4rem; font-weight: 600; vertical-align: super; color: var(--text-2); }
.edition-period { color: var(--text-3); font-size: 0.82rem; margin: 8px 0 18px; }
.edition-trial {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; color: var(--accent);
  background: var(--accent-faint); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
  border-radius: 100px; padding: 6px 12px; margin-bottom: 18px;
}
.edition-list { display: grid; gap: 9px; margin-bottom: 28px; }
.edition-list li { display: flex; gap: 10px; align-items: baseline; font-size: 0.88rem; color: var(--text-2); }
.edition-list li i { transform: translateY(2px); color: var(--text-3); }
.edition-list li.hi { color: var(--text); }
.edition-list li.hi i { color: var(--accent); }
.edition-list li.no { color: var(--text-3); }
.edition-list li strong { font-weight: 600; }
.edition-cta {
  display: block; text-align: center; padding: 13px; border-radius: 12px;
  border: 1px solid var(--border-2); color: var(--text-2); font-size: 0.88rem; font-weight: 500;
  transition: border-color .3s, color .3s, background .3s, box-shadow .3s;
}
.edition-cta:hover { border-color: var(--accent); color: var(--text); }
.edition-cta-filled { background: var(--accent); border-color: var(--accent); color: #fff; }
.edition-cta-filled:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 12px 30px -10px color-mix(in srgb, var(--accent) 60%, transparent); }
.editions-note { text-align: center; color: var(--text-3); font-size: 0.8rem; margin-top: 40px; }

/* --- Margins (feedback) ------------------------------------------------ */
.margins { max-width: 860px; margin: 0 auto; padding: clamp(80px, 12vh, 140px) var(--pad-h); }
.margins-head { text-align: center; margin-bottom: 30px; }
.margins-rules {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
  color: var(--text-3); font-size: 0.8rem; margin-bottom: 30px;
}
.margins-rules i { color: var(--accent); font-style: normal; }
.margins-actions { text-align: center; margin-bottom: 44px; }
.margins-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--accent); color: #fff; font-weight: 500; font-size: 0.92rem;
  border-radius: 100px; padding: 13px 26px;
  transition: background .3s, transform .2s, box-shadow .3s;
}
.margins-btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 14px 34px -12px color-mix(in srgb, var(--accent) 60%, transparent); }

.feedback-list { display: grid; gap: 12px; }
.feedback-loading, .feedback-empty {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  color: var(--text-3); padding: 40px 0; font-size: 0.9rem;
}
.feedback-empty i { font-size: 1.6rem; color: var(--accent); }
.feedback-spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 2px solid var(--border-2); border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

.feedback-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 18px 20px; transition: border-color .3s;
}
.feedback-item:hover { border-color: var(--border-2); }
.vote-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-width: 52px; padding: 8px 6px; border-radius: 12px;
  border: 1px solid var(--border-2); color: var(--text-2);
  transition: border-color .25s, color .25s, background .25s;
}
.vote-btn:hover { border-color: var(--accent); color: var(--accent); }
.vote-btn.voted { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
.vote-count { font-weight: 600; font-size: 0.95rem; }
.feedback-item-content { flex: 1; min-width: 0; }
.feedback-item-title { font-weight: 600; font-size: 0.98rem; margin-bottom: 4px; }
.feedback-item-desc { color: var(--text-2); font-size: 0.86rem; margin-bottom: 10px; overflow-wrap: anywhere; }
.feedback-item-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.feedback-category-badge, .feedback-status-badge {
  font-size: 0.64rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: 100px; padding: 3px 10px;
  background: var(--surface-2); border: 1px solid var(--border-2); color: var(--text-3);
}
.feedback-status-badge.status-planned { color: #60A5FA; border-color: rgba(96,165,250,.3); }
.feedback-status-badge.status-in-progress, .feedback-status-badge.status-building { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.feedback-status-badge.status-done, .feedback-status-badge.status-shipped { color: #22C55E; border-color: rgba(34,197,94,.3); }

/* --- Colophon (CTA) ------------------------------------------------------ */
.colophon {
  position: relative; overflow: hidden; text-align: center;
  padding: clamp(120px, 20vh, 200px) var(--pad-h);
  border-top: 1px solid var(--border);
}
.colophon-inner { position: relative; z-index: 1; }
.colophon-heading {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: 1.02; letter-spacing: -0.03em;
  margin-bottom: 22px;
}
.colophon-heading em { font-style: normal; color: var(--accent); }
.colophon-sub { color: var(--text-2); max-width: 460px; margin: 0 auto 40px; }
.colophon-btn {
  display: inline-block; background: var(--accent); color: #fff;
  font-weight: 500; border-radius: 100px; padding: 15px 36px;
  transition: background .3s, transform .2s, box-shadow .3s;
}
.colophon-btn:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 16px 40px -12px color-mix(in srgb, var(--accent) 60%, transparent); }

/* --- Footer ---------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); padding: 54px var(--pad-h) 80px; }
.footer-inner { max-width: var(--max-w); margin: 0 auto; text-align: center; display: grid; gap: 18px; justify-items: center; }
.footer-logo { height: 24px; width: auto; opacity: .9; }
.footer-colophon { color: var(--text-3); font-size: 0.78rem; font-style: italic; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { color: var(--text-2); font-size: 0.84rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { color: var(--text-3); font-size: 0.78rem; }

/* --- Feedback modal ---------------------------------------------------------- */
.feedback-modal-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(0,0,0,.68);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.feedback-modal {
  position: relative; width: 100%; max-width: 480px;
  background: var(--surface); border: 1px solid var(--border-2); border-radius: 20px;
  padding: 30px; max-height: 90vh; overflow-y: auto;
}
.modal-close { position: absolute; top: 14px; right: 14px; color: var(--text-3); font-size: 1.1rem; padding: 8px; }
.modal-close:hover { color: var(--text); }
.modal-title { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; margin-bottom: 6px; }
.modal-sub { color: var(--text-2); font-size: 0.88rem; margin-bottom: 22px; }
.feedback-form { display: grid; gap: 18px; }
.ff-group { display: grid; gap: 7px; }
.ff-group label { font-size: 0.82rem; font-weight: 500; color: var(--text-2); }
.ff-req { color: var(--accent); }
.ff-opt { color: var(--text-3); font-weight: 400; }
.ff-group input, .ff-group textarea, .ff-group select {
  font: inherit; font-size: 0.9rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-2); border-radius: 11px;
  padding: 11px 14px; width: 100%; transition: border-color .25s;
}
.ff-group input:focus, .ff-group textarea:focus, .ff-group select:focus { outline: none; border-color: var(--accent); }
.ff-group textarea { resize: vertical; min-height: 90px; }
.ff-counter { justify-self: end; font-size: 0.7rem; color: var(--text-3); }
.ff-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--accent); color: #fff; font-weight: 500;
  border-radius: 12px; padding: 13px; transition: background .3s;
}
.ff-submit:hover { background: var(--accent-hover); }
.ff-submit:disabled { opacity: .6; cursor: default; }
.feedback-form-success {
  display: flex; align-items: center; gap: 10px;
  background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.3);
  color: #22C55E; border-radius: 12px; padding: 12px 16px; font-size: 0.88rem; margin-bottom: 14px;
}

/* --- Responsive ----------------------------------------------------------------- */
@media (max-width: 900px) {
  /* Nav: burger replaces links */
  .nav-links { display: none; }
  .nav-end { margin-left: auto; }
  .nav-burger { display: flex; }

  /* Cover: tighter vertical rhythm on small screens */
  .cover { padding-top: 80px; padding-bottom: 96px; }
  .cover-eyebrow { margin-bottom: 20px; letter-spacing: 0.16em; }
  .cover-title { margin-bottom: 24px; }
  .cover-sub { margin-bottom: 32px; }
  .scroll-cue { bottom: 22px; }

  /* Chapters: solid ember numeral as an inline chapter marker */
  .chapter { grid-template-columns: 1fr; gap: 8px; padding-top: 72px; padding-bottom: 72px; }
  .chapter-side { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
  .chapter-side > * { position: static; }
  .chapter-numeral {
    font-size: 2rem; color: var(--accent);
    -webkit-text-stroke: 0;
  }
  .chapter-name { margin-top: 0; flex-shrink: 0; }
  .chapter-side::after { content: ''; flex: 1; height: 1px; background: var(--border); }
  .chapter-heading { font-size: clamp(2rem, 8.6vw, 2.7rem); }
  .chapter-list { margin-bottom: 32px; }
  .chapter-alt .screen { margin-left: 0; }
  .screen { width: 100%; max-width: 360px; margin: 0 auto; }

  /* Passage: less dead runway on phones */
  .passage { min-height: 112vh; padding: 12vh var(--pad-h); }

  /* Editions stack, featured first */
  .editions-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .edition-featured { order: -1; }
  .edition { padding: 28px 22px 24px 30px; }

  /* Marquee: slightly smaller, slower feel */
  .marquee { padding: 14px 0; }
  .marquee-group span { font-size: 0.8rem; }

  /* Chrome: subtler on small screens */
  .page-indicator { right: 12px; bottom: 12px; font-size: 0.62rem; padding: 4px 10px; }

  /* Feedback items breathe less */
  .feedback-item { padding: 14px 14px; gap: 12px; }

  /* Modal comfortable on phones */
  .feedback-modal { padding: 24px 20px; border-radius: 18px; }
}

/* Very small phones */
@media (max-width: 360px) {
  .cover-title { font-size: 3.4rem; }
  .badge-pill { display: none; }
}

/* Desktop: the mobile menu must not exist, even with stale/partial CSS */
@media (min-width: 901px) {
  .mobile-menu, .nav-burger { display: none !important; }
}

/* --- Reduced motion ----------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .grain, .ember-p { display: none; }
  .mask-line > span { transform: none; animation: none; }
  .marquee-track { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scroll-cue i { animation: none; }
  .passage-text .w { color: var(--text); transition: none; }
  .passage-attribution { opacity: 1; transform: none; }
}