:root {
  --space: #0d0907;
  --space-2: #17100b;
  --ink: #0a0705;
  --paper: #f6e8cb;
  --paper-2: #efdab0;
  --gold: #f4b63c;
  --gold-deep: #c7811c;
  --amber: #e08a2e;
  --ring: #a9b8d3;
  --ring-deep: #6f7fa0;
  --cocoa: #6b4327;
  --spine-w: 96px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--paper);
  font-family: "Comic Neue", "Comic Sans MS", system-ui, sans-serif;
  font-weight: 700;
  background-color: var(--space);
  background-image:
    radial-gradient(ellipse 60% 45% at 85% 8%, rgba(244, 182, 60, 0.16), transparent 70%),
    radial-gradient(ellipse 55% 40% at 10% 60%, rgba(169, 184, 211, 0.10), transparent 70%),
    radial-gradient(ellipse 70% 40% at 60% 100%, rgba(224, 138, 46, 0.12), transparent 70%),
    radial-gradient(rgba(246, 232, 203, 0.07) 1.2px, transparent 1.4px);
  background-size: auto, auto, auto, 14px 14px;
  background-attachment: fixed;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1.4px 1.4px at 12% 18%, rgba(255, 240, 210, .7), transparent),
    radial-gradient(1px 1px at 32% 72%, rgba(255, 240, 210, .5), transparent),
    radial-gradient(1.6px 1.6px at 68% 34%, rgba(244, 182, 60, .7), transparent),
    radial-gradient(1px 1px at 82% 82%, rgba(169, 184, 211, .6), transparent),
    radial-gradient(1.2px 1.2px at 48% 12%, rgba(255, 240, 210, .5), transparent),
    radial-gradient(1px 1px at 92% 52%, rgba(255, 240, 210, .5), transparent),
    radial-gradient(1.3px 1.3px at 22% 92%, rgba(244, 182, 60, .5), transparent);
}

img { display: block; max-width: 100%; height: auto; }

.font-comic { font-family: "Bangers", "Impact", sans-serif; letter-spacing: .04em; font-weight: 400; }

/* ---------- Spine navigation ---------- */
.spine {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--spine-w);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  background:
    repeating-linear-gradient(180deg, transparent 0 22px, rgba(10,7,5,.12) 22px 24px),
    linear-gradient(180deg, var(--gold) 0%, var(--amber) 55%, var(--gold-deep) 100%);
  border-right: 5px solid var(--ink);
  box-shadow: 6px 0 0 rgba(10, 7, 5, .55);
}
.spine-logo {
  width: 64px; height: 64px;
  border-radius: 999px;
  border: 4px solid var(--ink);
  background: var(--ink);
  object-fit: contain;
}
.spine-title {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: "Bangers", sans-serif;
  color: var(--ink);
  font-size: 1.35rem;
  letter-spacing: .18em;
  white-space: nowrap;
}
.spine-nav { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.spine-nav a {
  display: grid;
  place-items: center;
  width: 62px;
  padding: 8px 0;
  border: 3px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-family: "Bangers", sans-serif;
  font-size: .85rem;
  letter-spacing: .06em;
  line-height: 1;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .15s, box-shadow .15s, background .15s;
}
.spine-nav a span { font-size: 1.25rem; }
.spine-nav a:hover,
.spine-nav a.active {
  background: var(--ink);
  color: var(--gold);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--paper);
}
.spine-social { display: flex; flex-direction: column; gap: 8px; }
.icon-chip {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 3px solid var(--ink);
  background: var(--ink);
  color: var(--gold);
  font-size: 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  transition: transform .15s, background .15s, color .15s;
}
.icon-chip:hover { background: var(--paper); color: var(--ink); transform: scale(1.08); }

/* Mobile top bar */
.topbar { display: none; }
.drawer { display: none; }

.page { margin-left: var(--spine-w); position: relative; z-index: 1; }

@media (max-width: 900px) {
  .spine { display: none; }
  .page { margin-left: 0; }
  .topbar {
    display: flex;
    position: sticky; top: 0; z-index: 60;
    align-items: center; justify-content: space-between;
    padding: 10px 16px;
    background: linear-gradient(90deg, var(--gold), var(--amber));
    border-bottom: 4px solid var(--ink);
  }
  .drawer {
    display: block;
    position: fixed; top: 70px; left: 12px; right: 12px; z-index: 59;
    background: var(--paper);
    border: 4px solid var(--ink);
    box-shadow: 8px 8px 0 var(--ink);
    padding: 12px;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: .2s;
  }
  .drawer.open { transform: none; opacity: 1; pointer-events: auto; }
  .drawer a {
    display: block;
    padding: 12px 14px;
    color: var(--ink);
    font-family: "Bangers", sans-serif;
    font-size: 1.4rem;
    letter-spacing: .06em;
    text-decoration: none;
    border-bottom: 3px dashed rgba(10,7,5,.25);
  }
  .drawer a:last-child { border-bottom: 0; }
}

/* ---------- Page header strip ---------- */
.page-head {
  display: flex;
  align-items: stretch;
  gap: 0;
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  background: var(--paper);
  color: var(--ink);
  width: fit-content;
  max-width: 100%;
}
.page-head .num {
  background: var(--ink);
  color: var(--gold);
  font-family: "Bangers", sans-serif;
  font-size: 1.1rem;
  letter-spacing: .1em;
  padding: 10px 16px;
  display: flex; align-items: center;
}
.page-head .title {
  font-family: "Bangers", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: .05em;
  padding: 4px 22px 0;
  line-height: 1.1;
}

/* ---------- Panels ---------- */
.panel {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  border: 4px solid var(--ink);
  box-shadow: 10px 10px 0 var(--ink);
}
.panel.halftone {
  background-image:
    radial-gradient(rgba(199, 129, 28, .28) 1.4px, transparent 1.6px),
    linear-gradient(135deg, var(--paper), var(--paper-2));
  background-size: 10px 10px, auto;
}
.panel.gold {
  background:
    radial-gradient(rgba(10, 7, 5, .14) 1.4px, transparent 1.6px) 0 0 / 9px 9px,
    linear-gradient(160deg, var(--gold), var(--amber));
}
.panel.ringy {
  background:
    radial-gradient(rgba(10, 7, 5, .12) 1.3px, transparent 1.5px) 0 0 / 9px 9px,
    linear-gradient(160deg, #c9d4e6, var(--ring));
}
.panel.night {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: 10px 10px 0 var(--gold);
}
.panel-img {
  background: var(--ink);
  padding: 10px;
}
.panel-img img { width: 100%; height: auto; border: 3px solid var(--paper); }

.tag {
  position: absolute;
  top: -18px; left: 18px;
  background: var(--ink);
  color: var(--gold);
  font-family: "Bangers", sans-serif;
  letter-spacing: .12em;
  font-size: .95rem;
  padding: 4px 12px;
  border: 3px solid var(--gold);
  z-index: 3;
}

.caption {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  border: 3px solid var(--ink);
  font-family: "Bangers", sans-serif;
  letter-spacing: .08em;
  padding: 6px 14px;
  font-size: 1.05rem;
  box-shadow: 4px 4px 0 var(--ink);
}

/* Speech bubble */
.bubble {
  position: relative;
  background: #fffaf0;
  color: var(--ink);
  border: 4px solid var(--ink);
  border-radius: 28px;
  padding: 18px 22px;
  box-shadow: 6px 6px 0 var(--ink);
}
.bubble::after,
.bubble::before {
  content: "";
  position: absolute;
  left: 44px;
  border-style: solid;
}
.bubble::before {
  bottom: -30px;
  border-width: 30px 22px 0 0;
  border-color: var(--ink) transparent transparent transparent;
}
.bubble::after {
  bottom: -20px;
  left: 48px;
  border-width: 22px 14px 0 0;
  border-color: #fffaf0 transparent transparent transparent;
}
.bubble.right::before { left: auto; right: 44px; border-width: 30px 0 0 22px; }
.bubble.right::after { left: auto; right: 48px; border-width: 22px 0 0 14px; }

/* Starburst SFX */
.burst {
  display: grid;
  place-items: center;
  text-align: center;
  width: 150px; height: 150px;
  background: var(--gold);
  color: var(--ink);
  font-family: "Bangers", sans-serif;
  font-size: 1.6rem;
  line-height: .95;
  letter-spacing: .04em;
  clip-path: polygon(50% 0%, 61% 18%, 82% 8%, 79% 30%, 100% 34%, 84% 50%, 100% 66%, 79% 70%, 82% 92%, 61% 82%, 50% 100%, 39% 82%, 18% 92%, 21% 70%, 0% 66%, 16% 50%, 0% 34%, 21% 30%, 18% 8%, 39% 18%);
  filter: drop-shadow(0 0 0 var(--ink));
}
.burst-wrap {
  padding: 5px;
  background: var(--ink);
  clip-path: polygon(50% 0%, 61% 18%, 82% 8%, 79% 30%, 100% 34%, 84% 50%, 100% 66%, 79% 70%, 82% 92%, 61% 82%, 50% 100%, 39% 82%, 18% 92%, 21% 70%, 0% 66%, 16% 50%, 0% 34%, 21% 30%, 18% 8%, 39% 18%);
}

/* Hero title */
.hero-title {
  font-family: "Bangers", sans-serif;
  font-size: clamp(3.4rem, 9vw, 8rem);
  line-height: .9;
  letter-spacing: .03em;
  color: var(--gold);
  -webkit-text-stroke: 3px var(--ink);
  paint-order: stroke fill;
  text-shadow: 6px 6px 0 var(--ink), 10px 10px 0 var(--ring-deep);
}
.hero-title .silver { color: var(--ring); }

/* Buttons */
.btn-comic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 4px solid var(--ink);
  font-family: "Bangers", sans-serif;
  font-size: 1.35rem;
  letter-spacing: .07em;
  color: var(--ink);
  background: var(--gold);
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform .12s, box-shadow .12s, background .12s;
  cursor: pointer;
}
.btn-comic i { font-size: 1.25rem; }
.btn-comic:hover { transform: translate(-3px, -3px); box-shadow: 9px 9px 0 var(--ink); }
.btn-comic:active { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--ink); }
.btn-comic.paper { background: var(--paper); }
.btn-comic.ring { background: var(--ring); }
.btn-comic.dark { background: var(--ink); color: var(--gold); border-color: var(--ink); box-shadow: 6px 6px 0 var(--gold); }
.btn-comic.dark:hover { box-shadow: 9px 9px 0 var(--gold); }

.btn-comic.is-pow { background: var(--ring); }

/* CA box */
.ca-box {
  display: flex;
  align-items: stretch;
  border: 4px solid var(--ink);
  background: #fffaf0;
  box-shadow: 6px 6px 0 var(--ink);
  overflow: hidden;
}
.ca-box .lbl {
  background: var(--ink);
  color: var(--gold);
  font-family: "Bangers", sans-serif;
  letter-spacing: .1em;
  padding: 10px 14px;
  display: flex; align-items: center;
  font-size: 1.1rem;
}
.ca-box code {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  font-family: ui-monospace, Consolas, monospace;
  font-size: .9rem;
  color: var(--ink);
  word-break: break-all;
  display: flex; align-items: center;
}
.ca-box button {
  border: 0;
  border-left: 4px solid var(--ink);
  background: var(--gold);
  color: var(--ink);
  font-family: "Bangers", sans-serif;
  letter-spacing: .08em;
  font-size: 1.05rem;
  padding: 0 16px;
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
}
.ca-box button:hover { background: var(--ring); }

/* Step number */
.step-num {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border: 4px solid var(--ink);
  background: var(--ink);
  color: var(--gold);
  font-family: "Bangers", sans-serif;
  font-size: 2.2rem;
  border-radius: 999px;
  box-shadow: 4px 4px 0 var(--gold-deep);
  flex-shrink: 0;
}

/* Stat tiles */
.stat {
  border: 4px solid var(--ink);
  background: #fffaf0;
  box-shadow: 5px 5px 0 var(--ink);
  padding: 14px 16px;
  color: var(--ink);
}
.stat b {
  display: block;
  font-family: "Bangers", sans-serif;
  font-weight: 400;
  font-size: 2.2rem;
  letter-spacing: .04em;
  line-height: 1;
  color: var(--gold-deep);
  -webkit-text-stroke: 1px var(--ink);
}

/* Page divider: comic "gutter" line */
.gutter {
  height: 22px;
  margin: 0;
  background:
    repeating-linear-gradient(90deg, var(--gold) 0 26px, transparent 26px 40px);
  opacity: .5;
  -webkit-mask: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
          mask: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
  height: 6px;
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

.float-y { animation: floaty 5s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.pop-in { animation: popin .9s cubic-bezier(.2, 1.6, .4, 1) both .3s; }
@keyframes popin { from { transform: scale(0); } to { transform: scale(1); } }