:root {
  --paper: #eef0ea;
  --paper-2: #e2e6dc;
  --ink: #1d2a22;
  --ink-soft: #4b5a50;
  --line: #c6cdbf;
  --spruce: #24392c;
  --on-spruce: #e9eee5;
  --blaze: #e8570c;
  --blaze-ink: #ffffff;
  --display: "Zilla Slab", Rockwell, "Roboto Slab", Georgia, serif;
  --body: "Public Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #141b16; --paper-2: #1b241e; --ink: #e4e9e0; --ink-soft: #a3b0a5;
    --line: #2f3c33; --spruce: #0e1410; --on-spruce: #e4e9e0; --blaze: #ff6a1f; --blaze-ink: #140c06;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #141b16; --paper-2: #1b241e; --ink: #e4e9e0; --ink-soft: #a3b0a5;
  --line: #2f3c33; --spruce: #0e1410; --on-spruce: #e4e9e0; --blaze: #ff6a1f; --blaze-ink: #140c06;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.65 var(--body); }
.wrap { max-width: 1080px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { font-family: var(--display); line-height: 1.08; text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--blaze); outline-offset: 3px; }
.label { font: 600 0.75rem/1 var(--body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.top { background: var(--spruce); color: var(--on-spruce); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
.brand { font: 700 1.05rem/1 var(--display); letter-spacing: 0.02em; text-decoration: none; }
.top nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 0.9rem; }
.top nav a { text-decoration: none; opacity: 0.85; }
.top nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 4px; }

.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--blaze); color: var(--blaze-ink); font: 700 1rem/1 var(--body); padding: 16px 22px; border-radius: 4px; text-decoration: none; transition: transform .15s ease, filter .15s ease; }
.btn:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn svg { width: 18px; height: 18px; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }

.hero { background: var(--spruce); color: var(--on-spruce); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: 0.12; pointer-events: none;
  background-image: repeating-radial-gradient(circle at 78% 40%, transparent 0 22px, currentColor 22px 23px); }
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 48px; align-items: center; padding-block: 56px 64px; }
.hero .label { color: var(--blaze); }
.hero h1 { font-size: clamp(2.4rem, 5.6vw, 4.2rem); margin: 14px 0 18px; }
.hero h1 span { display: block; font-weight: 500; font-size: 0.48em; margin-top: 10px; opacity: 0.85; }
.hero .lede { max-width: 54ch; font-size: 1.15rem; opacity: 0.9; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.hero .btn-ghost { color: var(--on-spruce); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--on-spruce) 35%, transparent); }
.facts { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 32px; font-size: 0.9rem; }
.facts div { display: grid; gap: 6px; }
.facts .label { color: color-mix(in srgb, var(--on-spruce) 65%, transparent); }
.stars { color: var(--blaze); letter-spacing: 2px; }

.book { justify-self: center; width: min(280px, 100%); aspect-ratio: 2 / 3; max-width: 100%; position: relative;
  background: linear-gradient(90deg, #00000040 0 6%, transparent 6% 8%), #2d1f14; color: #f2e9dc;
  border-radius: 3px 8px 8px 3px; box-shadow: 0 30px 50px -20px #000a, 0 0 0 1px #ffffff14 inset;
  padding: 26px 22px 22px 32px; display: flex; flex-direction: column; justify-content: space-between; transform: rotate(-3deg); }
.book .tag { font: 700 0.7rem/1 var(--body); letter-spacing: 0.18em; text-transform: uppercase; background: #e8570c; color: #fff; align-self: flex-start; padding: 6px 8px; }
.book h2 { font-size: 1.7rem; line-height: 1.05; }
.book .rule { height: 2px; background: #e8570c; width: 48px; margin: 14px 0; }
.book small { font: 500 0.78rem/1.4 var(--body); opacity: 0.8; display: block; }
.book .by { font: 700 0.95rem/1 var(--display); letter-spacing: 0.06em; text-transform: uppercase; }

section { padding-block: 72px; }
.sec-head { display: grid; gap: 12px; max-width: 62ch; margin-bottom: 40px; }
.sec-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.7rem); }
.sec-head p { color: var(--ink-soft); }

.trail { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: stage; border-top: 2px solid var(--ink); }
.trail li { counter-increment: stage; padding: 22px 24px 26px 0; border-bottom: 1px solid var(--line); display: grid; gap: 8px; align-content: start; min-width: 0; }
.trail li:not(:nth-child(3n+1)) { padding-left: 24px; border-left: 1px solid var(--line); }
.trail li::before { content: counter(stage, decimal-leading-zero); font: 500 0.85rem/1 var(--mono); color: var(--blaze); }
.trail h3 { font-size: 1.35rem; }
.trail p { color: var(--ink-soft); font-size: 0.98rem; }

.who { background: var(--paper-2); }
.who-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--line); border: 2px solid var(--line); }
.who-grid div { background: var(--paper-2); padding: 26px; display: grid; gap: 8px; min-width: 0; }
.who-grid h3 { font-size: 1.25rem; }
.who-grid p { color: var(--ink-soft); }

.notes { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.tips { margin: 0; padding: 0; list-style: none; display: grid; gap: 18px; }
.tips li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; }
.tips li::before { content: ""; width: 14px; height: 14px; margin-top: 7px; background: var(--blaze); transform: rotate(45deg); }
.tips strong { display: block; font-family: var(--display); font-size: 1.15rem; }
.tips span { color: var(--ink-soft); }
.card { border: 2px solid var(--ink); padding: 22px; background: var(--paper); }
.card h3 { font-size: 1.2rem; margin: 10px 0 14px; }
.card table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.card td { padding: 10px 0; border-top: 1px solid var(--line); vertical-align: top; }
.card td:last-child { text-align: right; white-space: nowrap; padding-left: 12px; }
.card .fine { font-size: 0.8rem; color: var(--ink-soft); margin-top: 12px; }

.bonus { background: var(--spruce); color: var(--on-spruce); }
.bonus .wrap { display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center; }
.play { width: 92px; height: 92px; border-radius: 50%; border: 2px solid var(--blaze); display: grid; place-items: center; }
.play svg { width: 34px; height: 34px; fill: var(--blaze); margin-left: 6px; }
.bonus h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 10px 0; }
.bonus .label { color: var(--blaze); }
.bonus p { max-width: 60ch; opacity: 0.88; }

.details { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 48px; align-items: start; }
.spec { width: 100%; border-collapse: collapse; }
.spec th, .spec td { text-align: left; padding: 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { width: 38%; font: 600 0.78rem/1.6 var(--body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); padding-right: 16px; }

.cta { text-align: left; border-top: 2px solid var(--ink); }
.cta .wrap { display: flex; justify-content: space-between; align-items: center; gap: 28px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 20ch; }
.cta p { color: var(--ink-soft); margin-top: 10px; }

footer { background: var(--spruce); color: var(--on-spruce); font-size: 0.85rem; }
footer .wrap { padding-block: 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; opacity: 0.8; }

@media (max-width: 820px) {
  .hero .wrap, .notes, .details, .bonus .wrap { grid-template-columns: 1fr; }
  .book { width: min(220px, 70%); order: -1; }
  .trail { grid-template-columns: 1fr 1fr; }
  .trail li, .trail li:not(:nth-child(3n+1)) { padding: 20px 18px 22px 0; border-left: 0; }
  .trail li:nth-child(2n) { padding-left: 18px; border-left: 1px solid var(--line); }
}
@media (max-width: 520px) {
  .trail { grid-template-columns: 1fr; }
  .trail li:nth-child(2n) { padding-left: 0; border-left: 0; }
  .who-grid { grid-template-columns: 1fr; }
  section { padding-block: 52px; }
  .top nav { display: none; }
}
@media (prefers-reduced-motion: reduce) { .btn { transition: none; } .btn:hover { transform: none; } }

.blog-list { list-style: none; margin: 0; padding: 0; display: grid; border-top: 2px solid var(--ink); }
.blog-list li { border-bottom: 1px solid var(--line); }
.blog-list a { display: grid; grid-template-columns: 9rem 1fr; gap: 24px; padding: 24px 0; text-decoration: none; }
.blog-list a:hover h3 { color: var(--blaze); }
.blog-list time { font: 500 0.85rem/1.9 var(--mono); color: var(--ink-soft); }
.blog-list h3 { font-size: 1.45rem; transition: color .15s ease; }
.blog-list p { color: var(--ink-soft); margin-top: 6px; }
.blog-empty { color: var(--ink-soft); padding: 24px 0; border-top: 2px solid var(--ink); }
.more { display: inline-block; margin-top: 24px; font-weight: 700; color: var(--blaze); }
.article { max-width: 68ch; margin: 0 auto; }
.article header { display: grid; gap: 14px; margin-bottom: 36px; }
.article h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); }
.article .body { display: grid; gap: 18px; font-size: 1.1rem; }
.article .body h2 { font-size: 1.7rem; margin-top: 18px; }
.article .body h3 { font-size: 1.3rem; margin-top: 10px; }
.article .body ul, .article .body ol { margin: 0; padding-left: 1.3em; display: grid; gap: 8px; }
.article .body a { color: var(--blaze); }
.back { font-weight: 600; text-decoration: none; color: var(--ink-soft); }
.back:hover { color: var(--blaze); }
.book-cta { margin-top: 48px; padding: 24px; border: 2px solid var(--ink); display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.book-cta p { font-family: var(--display); font-size: 1.3rem; font-weight: 700; max-width: 30ch; }
@media (max-width: 560px) { .blog-list a { grid-template-columns: 1fr; gap: 6px; } }