/* Caution Earth — one page, styled as an alien TV broadcast.
   Single dark theme on purpose: the book lives in deep space. */
:root {
  color-scheme: dark;
  --space: #120d2e;        /* page background, from the cover's night sky */
  --space-2: #1b1447;      /* raised sections */
  --space-3: #251b5c;      /* cards */
  --line: rgba(196, 184, 255, 0.16);
  --star: #f5efef;         /* cover title white */
  --muted: #b9b1da;
  --signal: #ff3d68;       /* title outline red-pink */
  --signal-deep: #d9264f;
  --nebula: #5cc2ff;       /* blue nebula */
  --couch: #e2783d;        /* the orange couch */

  --f-display: "Unbounded", "Arial Black", Impact, sans-serif;
  --f-body: "Figtree", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Menlo, monospace;

  --wrap: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 10px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--space);
  color: var(--star);
  font: 400 1.0625rem/1.65 var(--f-body);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--nebula); text-underline-offset: 3px; }
a:hover { color: var(--star); }
:focus-visible { outline: 3px solid var(--nebula); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; background: var(--star); color: var(--space); padding: 8px 14px; border-radius: 6px; }
.skip:focus { left: 12px; }

/* ---------- type ---------- */
.h2 {
  font: 800 clamp(1.6rem, 3.6vw, 2.4rem)/1.12 var(--f-display);
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  text-wrap: balance;
}
.chyron {
  display: inline-flex; align-items: center; gap: 8px;
  font: 600 0.75rem/1 var(--f-mono);
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--nebula);
  margin: 0 0 0.9rem;
}
.chyron::before { content: ""; width: 18px; height: 2px; background: currentColor; }
.eyebrow { font: 600 0.8rem/1.3 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.75rem; }
.lede { color: var(--muted); max-width: 58ch; margin: 0 0 2rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 700 1rem/1 var(--f-body);
  text-decoration: none; cursor: pointer;
  border-radius: 999px; border: 2px solid transparent;
  padding: 0.85em 1.4em;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-lg { font-size: 1.05rem; padding: 1em 1.7em; }
.btn-sm { font-size: 0.85rem; padding: 0.6em 1.05em; }
.btn-primary { background: var(--signal); color: #fff; box-shadow: 0 6px 22px rgba(255, 61, 104, 0.35); }
.btn-primary:hover { background: var(--signal-deep); color: #fff; transform: translateY(-1px); }
.btn-ghost { border-color: rgba(245, 239, 239, 0.45); color: var(--star); background: transparent; }
.btn-ghost:hover { border-color: var(--star); background: rgba(245, 239, 239, 0.06); color: var(--star); }
@media (prefers-reduced-motion: reduce) { .btn, .btn:hover { transition: none; transform: none; } }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(18, 13, 46, 0.86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-in { display: flex; align-items: center; gap: 20px; min-height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--star); text-decoration: none; font: 600 0.8rem/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; }
.topnav { display: flex; gap: 22px; margin-left: auto; }
.topnav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.topnav a:hover { color: var(--star); }
@media (max-width: 820px) { .topnav { display: none; } .topbar .btn { margin-left: auto; } }

.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(255, 61, 104, 0.6); animation: pulse 1.8s ease-out infinite; flex: none; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 61, 104, 0.55); } 70%, 100% { box-shadow: 0 0 0 9px rgba(255, 61, 104, 0); } }
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

/* ---------- broadcast banner + ticker ---------- */
.broadcast { background: #1a1342; }
.banner { width: 100%; max-width: 1500px; margin-inline: auto; aspect-ratio: 3 / 1; object-fit: cover; }
.ticker {
  display: flex; align-items: stretch;
  background: var(--star); color: var(--space);
  font: 600 0.82rem/1 var(--f-mono);
  border-block: 3px solid var(--signal);
  overflow: hidden;
}
.ticker-tag {
  display: inline-flex; align-items: center; gap: 8px; flex: none;
  background: var(--signal); color: #fff;
  padding: 0 14px; text-transform: uppercase; letter-spacing: 0.14em;
}
.ticker-tag .live-dot { background: #fff; animation: none; }
.ticker-window { overflow: hidden; flex: 1; min-width: 0; }
.ticker-track { display: flex; width: max-content; margin: 0; padding: 11px 0; animation: crawl 60s linear infinite; }
.ticker-track span { white-space: nowrap; padding-inline: 22px; position: relative; }
.ticker-track span::after { content: "◆"; position: absolute; right: -6px; color: var(--signal); font-size: 0.65em; top: 50%; transform: translateY(-50%); }
.ticker-track b { font-weight: 600; color: var(--signal-deep); }
.ticker:hover .ticker-track { animation-play-state: paused; }
@keyframes crawl { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { animation: none; }
}

/* ---------- listing ---------- */
.listing {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding-block: clamp(36px, 6vw, 80px);
}
.title {
  font: 900 clamp(2.4rem, 6vw, 4rem)/0.95 var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 1.2rem;
  color: var(--star);
  text-shadow: 3px 3px 0 var(--signal-deep), -1px -1px 0 var(--signal-deep), 1px -1px 0 var(--signal-deep), -1px 1px 0 var(--signal-deep);
  text-wrap: balance;
}
.hook { font: 700 clamp(1.25rem, 2.4vw, 1.6rem)/1.3 var(--f-body); margin: 0 0 0.75rem; max-width: 30ch; text-wrap: balance; }
.question { color: var(--muted); margin: 0 0 1.75rem; max-width: 46ch; }
.buy { display: flex; flex-wrap: wrap; gap: 12px; }
.formats { color: var(--muted); font-size: 0.95rem; margin: 1rem 0 0; }
.pull { margin: 2rem 0 0; padding: 0 0 0 18px; border-left: 3px solid var(--couch); }
.pull p { margin: 0; font-style: italic; font-size: 1.15rem; }
.pull footer { margin-top: 6px; font: 600 0.78rem/1.3 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

.cover { margin: 0; justify-self: center; width: min(100%, 380px); }
.cover img {
  border-radius: 4px 10px 10px 4px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.06), -6px 0 0 rgba(0, 0, 0, 0.25) inset;
  transform: rotate(2deg);
}
@media (prefers-reduced-motion: no-preference) {
  .cover img { transition: transform .4s ease; }
  .cover:hover img { transform: rotate(0deg) translateY(-4px); }
}
@media (max-width: 760px) {
  .listing { grid-template-columns: minmax(0, 1fr); }
  .cover { width: min(72%, 300px); }
}

/* ---------- story ---------- */
.story { background: var(--space-2); border-block: 1px solid var(--line); }
.story-in {
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(24px, 5vw, 64px);
  padding-block: clamp(48px, 7vw, 96px);
}
.story-body p { margin: 0 0 1.1rem; max-width: 62ch; }
.story-body p:first-child::first-letter { font: 900 3.2em/0.85 var(--f-display); float: left; margin: 0.06em 0.12em 0 0; color: var(--signal); }
@media (max-width: 760px) { .story-in { grid-template-columns: minmax(0, 1fr); gap: 4px; } }

/* ---------- reviews ---------- */
.reviews { padding-block: clamp(56px, 8vw, 104px); }
.review-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; margin-top: 1.5rem; }
.review {
  background: var(--space-3); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(22px, 3vw, 34px);
  display: flex; flex-direction: column; gap: 14px; min-width: 0;
}
.review p { margin: 0; }
.stars { color: #ffcc4d; font-size: 1.35rem; letter-spacing: 0.12em; line-height: 1; }
.review-title { font: 800 1.25rem/1.2 var(--f-display); margin: 0; }
.review-big { font: 800 clamp(1.35rem, 2.6vw, 1.8rem)/1.25 var(--f-display); text-wrap: balance; flex: 1; display: flex; align-items: center; }
.review-src { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); font: 600 0.78rem/1.4 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.review-src a { color: var(--nebula); }
@media (max-width: 760px) { .review-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---------- samples ---------- */
.samples {
  padding-block: clamp(56px, 8vw, 104px);
  background:
    radial-gradient(60% 80% at 85% 0%, rgba(92, 194, 255, 0.16), transparent 70%),
    radial-gradient(50% 70% at 0% 100%, rgba(255, 61, 104, 0.12), transparent 70%),
    var(--space-2);
  border-block: 1px solid var(--line);
}
.sample-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
@media (max-width: 760px) { .sample-grid { grid-template-columns: minmax(0, 1fr); } }
.sample {
  background: var(--space); border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; display: flex; flex-direction: column; min-width: 0;
}
.screen {
  position: relative; aspect-ratio: 16 / 7;
  margin: 14px 14px 0; border-radius: 14px / 20px;
  background:
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 0 2px, transparent 2px 4px),
    radial-gradient(ellipse at center, #2c4fa8 0%, #1a1650 60%, #0d0a24 100%);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6), 0 0 0 6px #2b2265;
  display: grid; place-items: center;
}
.screen-ch { font: 900 clamp(2.2rem, 6vw, 3.4rem)/1 var(--f-display); color: var(--star); text-shadow: 0 0 18px rgba(92, 194, 255, 0.7); }
.screen-rec { position: absolute; top: 10px; right: 12px; font: 600 0.7rem/1 var(--f-mono); text-transform: uppercase; letter-spacing: 0.14em; color: #fff; display: inline-flex; align-items: center; gap: 6px; }
.screen-rec::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--signal); }
.sample-body { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.sample-body p { margin: 0; color: var(--muted); }
.sample-meta { font: 600 0.75rem/1.2 var(--f-mono) !important; letter-spacing: 0.1em; text-transform: uppercase; color: var(--nebula) !important; }
.sample-title { font: 800 1.3rem/1.2 var(--f-display); margin: 0; }
.sample-body .btn { margin-top: auto; align-self: flex-start; }
.sample-body p + .btn { margin-top: 10px; }

/* ---------- buy band ---------- */
.band { background: var(--couch); color: #1c0f08; }
.band-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 28px; padding-block: 34px; }
.band-text { font: 900 clamp(1.4rem, 3.2vw, 2.1rem)/1.1 var(--f-display); margin: 0; text-wrap: balance; }
.band .btn-primary { background: var(--space); color: var(--star); box-shadow: none; }
.band .btn-primary:hover { background: #000; color: #fff; }
.band .btn-ghost { border-color: rgba(28, 15, 8, 0.55); color: #1c0f08; }
.band .btn-ghost:hover { background: rgba(28, 15, 8, 0.08); border-color: #1c0f08; color: #1c0f08; }
.band :focus-visible { outline-color: var(--space); }

/* ---------- author ---------- */
.author {
  display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px); align-items: center;
  padding-block: clamp(56px, 8vw, 104px);
}
.author-photo { margin: 0; }
.author-photo img { border-radius: 16px; width: 100%; filter: saturate(0.9); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 0 1px var(--line); }
.author-copy p { max-width: 58ch; margin: 0 0 1.4rem; }
.links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.links a {
  display: inline-block; padding: 0.55em 1em; border-radius: 999px;
  border: 1px solid var(--line); background: var(--space-2);
  color: var(--star); text-decoration: none; font-weight: 600; font-size: 0.92rem;
}
.links a:hover { border-color: var(--nebula); color: var(--nebula); }
@media (max-width: 760px) {
  .author { grid-template-columns: minmax(0, 1fr); }
  .author-photo { width: min(70%, 280px); }
}

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: #0d0922; }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 28px; color: var(--muted); font-size: 0.9rem; }
.foot-in p { margin: 0; }
.foot-tag { font: 800 0.95rem/1.3 var(--f-display); color: var(--star) !important; }

/* ---------- PDF reader ---------- */
.reader {
  width: min(960px, calc(100vw - 32px)); height: min(92vh, 1100px);
  padding: 0; border: 1px solid var(--line); border-radius: 14px;
  background: var(--space-2); color: var(--star);
  display: none; flex-direction: column; overflow: hidden;
}
.reader[open] { display: flex; }
.reader::backdrop { background: rgba(6, 4, 18, 0.78); backdrop-filter: blur(3px); }
.reader-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.reader-title { margin: 0; font: 800 1rem/1.3 var(--f-display); min-width: 0; }
.reader-actions { display: flex; gap: 8px; }
.reader iframe { flex: 1; width: 100%; border: 0; background: #fff; }