:root {
  --black: #070707;
  --forest: #1e3328;
  --forest-deep: #122118;
  --paper: #f3f1ea;
  --paper-warm: #e8e4d8;
  --gold: #dca755;
  --muted: #7b827a;
  --line-dark: rgba(7, 7, 7, .16);
  --line-light: rgba(243, 241, 234, .2);
  --sans: 'Manrope', Arial, sans-serif;
  --mono: 'DM Mono', monospace;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--black); color: var(--paper); font-family: var(--sans); font-size: 16px; line-height: 1.65; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, p { margin-top: 0; }
h1, h2 { font-weight: 300; letter-spacing: -.06em; line-height: 1.02; }
h1 { font-size: clamp(4rem, 9vw, 8rem); }
h2 { font-size: clamp(3rem, 6vw, 6rem); }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 20; background: var(--gold); color: var(--black); padding: .6rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 10; min-height: 4.8rem; display: flex; align-items: center; justify-content: center; background: rgba(7, 7, 7, .96); border-bottom: 1px solid rgba(243,241,234,.1); }
.wordmark { position: absolute; left: clamp(1rem, 4vw, 4rem); display: flex; align-items: center; }
.wordmark img { width: 5.8rem; height: 3.3rem; object-fit: contain; object-position: left center; }
.main-nav { display: flex; align-items: center; gap: clamp(1.5rem, 4vw, 4.5rem); font-size: .9rem; }
.main-nav a { color: #d8d4ca; padding: .85rem .1rem; border-bottom: 1px solid transparent; transition: color .2s ease, border-color .2s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a.active { color: var(--paper); border-color: var(--gold); }
.menu-toggle { display: none; position: absolute; right: 1rem; border: 0; background: transparent; color: var(--paper); font: inherit; font-family: var(--mono); text-transform: uppercase; font-size: .72rem; gap: .5rem; }
.content-grid { width: min(calc(100% - 2.5rem), var(--max)); margin-inline: auto; display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem; }
.section-label { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: #c2764b; }
.section-label.light { color: var(--gold); }
.button { display: inline-flex; align-items: center; gap: 1rem; padding: .8rem 1.15rem; border: 1px solid transparent; font-family: var(--mono); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover, .button:focus-visible { transform: translateY(-3px); }
.button-dark { background: var(--forest-deep); color: var(--paper); }
.button-dark:hover, .button-dark:focus-visible { background: var(--forest); }
.button-gold { background: var(--gold); color: var(--black); }
.button-light { border-color: var(--gold); color: var(--paper); }
.button-light:hover, .button-light:focus-visible { background: var(--gold); color: var(--black); }
.text-link { display: inline-flex; align-items: center; gap: .6rem; padding-bottom: .35rem; border-bottom: 1px solid var(--gold); font-family: var(--mono); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.text-link span { color: var(--gold); }
.js-reveal .reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

.original-hero { min-height: calc(100vh - 4.8rem); position: relative; display: grid; place-items: center; overflow: hidden; background: url('/assets/bitcoin-coin.jpg') center / cover; }
.hero-video { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(7,7,7,.28), rgba(7,7,7,.08) 40%, rgba(7,7,7,.44)); }
.hero-content { position: relative; z-index: 2; width: min(100% - 2.5rem, 60rem); display: flex; flex-direction: column; align-items: center; text-align: center; padding: 3rem 0 6rem; }
.hero-kicker { margin-bottom: 1rem; color: var(--paper); font-size: clamp(3rem, 5.5vw, 5.8rem); font-weight: 300; letter-spacing: -.07em; line-height: 1; }
.hero-logo { width: clamp(12rem, 20vw, 19rem); margin: .4rem auto 1.2rem; filter: drop-shadow(0 1.2rem 2.5rem rgba(0,0,0,.38)); }
.hero-title { margin-bottom: 1.2rem; color: white; font-size: clamp(1.5rem, 3vw, 3rem); font-weight: 300; line-height: 1.18; }
.hero-subtitle { margin-bottom: 0; color: #fff; font-size: clamp(1rem, 1.5vw, 1.35rem); }
.scroll-cue { position: absolute; z-index: 3; bottom: 1.25rem; left: 50%; transform: translateX(-50%); color: white; font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; opacity: .85; }

.coin-section { min-height: 70vh; position: relative; display: grid; place-items: center; background: url('/assets/forest.jpg') center / cover; overflow: hidden; }
.coin-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.18) 75%), rgba(0,0,0,.22); }
.coin-copy { position: relative; z-index: 1; width: min(100% - 2.5rem, var(--max)); padding-block: 8rem; }
.coin-copy h1 { margin: 1.1rem 0 1rem; color: white; }
.coin-copy p { max-width: 34rem; color: #eee9dc; font-size: 1.15rem; }

.section-light { background: var(--paper); color: var(--black); }
.section-paper { background: var(--paper-warm); color: var(--black); }
.roots-intro { padding-block: clamp(5rem, 10vw, 9rem); }
.roots-intro .section-label, .article-section .section-label, .links-section .section-label, .contact-section .section-label, .game-section .section-label { grid-column: span 2; padding-top: .6rem; }
.roots-intro-copy { grid-column: 4 / span 6; }
.roots-intro-copy h2 { margin-bottom: .35rem; }
.lead { font-size: clamp(1.2rem, 2vw, 1.65rem); line-height: 1.4; }
.roots-intro-copy .lead { color: #a85e3b; }
.copy-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 3rem; color: #4f554e; }
.copy-columns strong { color: var(--black); font-weight: 600; }
.closing-copy { margin-top: 2.5rem; max-width: 48rem; font-size: 1.12rem; }
.roots-intro-copy blockquote { max-width: 48rem; margin: 2.5rem 0; padding: 1.2rem 1.4rem; border-left: 3px solid var(--gold); background: rgba(220,167,85,.12); color: var(--forest); font-size: 1.08rem; }
.roots-mark { grid-column: 10 / -1; align-self: center; padding: 1rem; }
.roots-mark img { width: min(100%, 15rem); margin-inline: auto; }
.home-cta { background: var(--forest); padding-block: clamp(5rem, 10vw, 8rem); text-align: center; }
.cta-inner { width: min(calc(100% - 2.5rem), 48rem); margin-inline: auto; }
.cta-inner h2 { margin: 1rem 0 2rem; }

.page-hero { min-height: clamp(24rem, 48vh, 36rem); position: relative; display: flex; align-items: center; overflow: hidden; background: url('/assets/bitcoin-coin.jpg') center / cover; }
.page-hero-coin { background-image: url('/assets/bitcoin-coin.jpg'); }
.page-hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(7,7,7,.68), rgba(7,7,7,.12)), rgba(7,7,7,.14); }
.page-hero-content { position: relative; z-index: 2; width: min(calc(100% - 2.5rem), var(--max)); margin: 0 auto; padding: 4rem 0 3rem; }
.page-hero-content h1 { max-width: 9ch; margin: 1rem 0 .7rem; color: white; font-size: clamp(3rem, 6vw, 6rem); }
.page-hero-content p { margin-bottom: 0; color: #f4f1e9; font-size: 1.08rem; }
.article-section { padding-block: clamp(5rem, 10vw, 9rem); }
.article-copy { grid-column: 4 / span 6; }
.article-copy .lead { color: #555c53; }
.article-copy p { color: #555c53; }
.article-copy blockquote { margin: 2.5rem 0; padding: 1.2rem 1.4rem; border-left: 3px solid var(--gold); background: rgba(220,167,85,.12); color: var(--forest); font-size: 1.25rem; }
.side-logo { grid-column: 10 / -1; align-self: start; padding-top: 1rem; }
.side-logo img { width: min(100%, 18rem); max-height: 30rem; object-fit: contain; object-position: bottom center; margin-inline: auto; }
.side-logo p { margin: 1rem 0 0; color: var(--muted); font-family: var(--mono); font-size: .7rem; text-align: center; text-transform: uppercase; }
.topic-box { margin: 3rem 0; padding: 1.5rem; border: 1px solid var(--line-dark); background: rgba(255,255,255,.28); }
.topic-box ul { margin: 1.2rem 0 0; padding: 0; list-style: none; color: var(--forest); }
.topic-box li { padding: .75rem 0; border-top: 1px solid var(--line-dark); }
.topic-box li::before { content: '→'; color: var(--gold); margin-right: .7rem; }
.offer-aside { grid-column: 10 / -1; align-self: start; }
.offer-aside img { width: 100%; height: auto; object-fit: contain; border-radius: 1rem; }
.offer-aside p { margin: 1rem 0 0; color: var(--muted); font-family: var(--mono); font-size: .7rem; text-transform: uppercase; }
.links-section { padding-block: clamp(5rem, 10vw, 9rem); }
.links-copy { grid-column: 4 / span 7; }
.links-aside { grid-column: 10 / -1; align-self: start; padding-top: 1rem; }
.links-aside img { width: 100%; height: auto; object-fit: contain; border-radius: 1rem; }
.links-aside p { margin: 1rem 0 0; color: var(--muted); font-family: var(--mono); font-size: .7rem; text-transform: uppercase; }
.links-copy > p { color: #555c53; }
.resource-group { margin-top: 3rem; }
.resource-group h2 { margin-bottom: 1rem; font-size: 2.4rem; color: var(--forest); }
.resource-card { display: grid; grid-template-columns: 1.2fr 2fr 4fr auto; gap: 1rem; align-items: center; padding: 1.1rem 0; border-top: 1px solid var(--line-dark); color: var(--black); transition: padding .2s ease, background .2s ease; }
.resource-card:hover, .resource-card:focus-visible { padding-inline: 1rem; background: var(--paper); }
.resource-card span { color: #a85e3b; font-family: var(--mono); font-size: .65rem; letter-spacing: .1em; }
.resource-card strong { font-weight: 600; }
.resource-card small { color: #646a62; }
.resource-card b { color: var(--gold); font-size: 1.2rem; }
.value-note { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); font-size: .9rem; }
.contact-section { padding-block: clamp(5rem, 10vw, 9rem); }
.contact-grid { align-items: start; }
.contact-copy { grid-column: 4 / span 6; }
.contact-copy h2 { margin-bottom: 1.5rem; color: var(--forest); }
.contact-copy p { color: #555c53; }
.contact-form { display: grid; gap: .55rem; margin-top: 2rem; }
.contact-form label { color: var(--forest); font-family: var(--mono); font-size: .75rem; letter-spacing: .05em; text-transform: uppercase; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line-dark); border-radius: .25rem; background: rgba(255,255,255,.42); color: var(--black); font: inherit; padding: .8rem .9rem; }
.contact-form textarea { min-height: 9rem; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--gold); outline-offset: 2px; border-color: var(--forest); }
.contact-form button { justify-self: start; margin-top: .5rem; cursor: pointer; }
.contact-status { min-height: 1.65rem; margin: .35rem 0 0 !important; color: var(--forest) !important; font-size: .9rem; }
.contact-card { grid-column: 10 / -1; display: flex; flex-direction: column; align-items: center; gap: .35rem; padding: 1.5rem; border: 1px solid var(--line-dark); background: rgba(255,255,255,.3); text-align: center; }
.contact-card img { width: 100%; aspect-ratio: 1.35 / 1; object-fit: cover; border-radius: .65rem; margin-bottom: .8rem; }
.contact-card img.contact-logo { width: min(100%, 14rem); height: auto; aspect-ratio: auto; object-fit: contain; border-radius: 0; }
.contact-email { margin-top: 1.5rem; }
.contact-card span { color: var(--forest); font-weight: 600; }.contact-card small { color: var(--muted); }
.game-section { padding-block: clamp(5rem, 10vw, 9rem); }
.game-grid { align-items: start; }
.game-copy { grid-column: 4 / span 5; }
.game-copy h2 { margin-bottom: 1.5rem; color: var(--forest); }
.game-copy p { color: #555c53; }
.game-image { grid-column: 10 / -1; }
.game-image img { aspect-ratio: 1 / 1.2; width: 100%; object-fit: cover; border-radius: 1rem; }
.home-game-section { padding-block: clamp(5rem, 9vw, 8rem); background: var(--forest-deep); color: var(--paper); }
.home-game-grid { align-items: start; }
.home-game-grid > .section-label { grid-column: span 2; }
.home-game-intro { grid-column: 3 / span 4; }
.home-game-intro h2 { margin: 1rem 0 1.3rem; color: var(--paper); font-size: clamp(2.8rem, 5vw, 5rem); }
.home-game-intro .lead { color: #e6dfd2; }
.home-game-intro p:not(.lead) { color: #b8c2b9; }
.text-link-light { color: var(--paper); }
.game-page-copy { grid-column: 3 / span 4; }
.game-page-copy h2 { margin: 1rem 0 1.3rem; color: var(--forest); }
.game-page-copy p { color: #555c53; }
.bitcoin-game-app { grid-column: 7 / -1; align-self: start; overflow: hidden; border: 1px solid rgba(220,167,85,.35); border-radius: 1.15rem; background: #08111c; color: var(--paper); box-shadow: 0 1.5rem 4rem rgba(0,0,0,.22); }
.game-app-art { position: relative; min-height: 10rem; overflow: hidden; border-bottom: 1px solid rgba(220,167,85,.25); }
.game-app-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .68; filter: saturate(.9) contrast(1.08); }
.game-app-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,11,20,.96), rgba(5,11,20,.36) 72%, rgba(5,11,20,.72)); }
.game-app-art-copy { position: relative; z-index: 1; display: flex; min-height: 10rem; flex-direction: column; justify-content: center; padding: 1.5rem; }
.game-app-art-copy span { color: var(--gold); font-family: var(--mono); font-size: .68rem; letter-spacing: .13em; }
.game-app-art-copy strong { max-width: 15ch; margin-top: .7rem; color: white; font-size: clamp(1.7rem, 3vw, 2.7rem); font-weight: 600; letter-spacing: -.06em; line-height: 1; }
.game-app-content { padding: 1.25rem; }
.game-app-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.game-app-heading .section-label { color: var(--gold); }
.game-status { margin: 0; color: #c5cec8; font-size: .85rem; line-height: 1.4; text-align: right; }
.game-scoreboard { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 1.15rem; border-top: 1px solid rgba(243,241,234,.15); border-bottom: 1px solid rgba(243,241,234,.15); }
.game-stat { padding: .75rem .6rem; border-right: 1px solid rgba(243,241,234,.12); }
.game-stat:last-child { border-right: 0; }
.game-stat span { display: block; color: #8f9d9b; font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.game-stat strong { display: inline-block; margin-top: .25rem; color: white; font-family: var(--mono); font-size: 1.35rem; font-weight: 500; }
.game-stat small { margin-left: .25rem; color: #8f9d9b; font-family: var(--mono); font-size: .65rem; }
.game-board { position: relative; min-height: 19rem; margin-top: 1rem; overflow: hidden; border: 1px solid rgba(220,167,85,.24); border-radius: .8rem; background: radial-gradient(circle at 72% 28%, rgba(220,167,85,.16), transparent 28%), radial-gradient(circle at 18% 84%, rgba(50,117,148,.2), transparent 36%), #07101c; touch-action: manipulation; }
.game-board::before { content: ''; position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(220,167,85,.17) 1px, transparent 1px), linear-gradient(90deg, rgba(220,167,85,.17) 1px, transparent 1px); background-size: 2.4rem 2.4rem; pointer-events: none; }
.game-board-message { position: absolute; z-index: 1; inset: 0; display: grid; place-items: center; padding: 2rem; color: #9eada9; font-size: .9rem; text-align: center; transition: opacity .2s ease; pointer-events: none; }
.bitcoin-game-app.is-playing .game-board-message { opacity: .28; }
.game-target { position: absolute; z-index: 2; width: 3.65rem; height: 3.65rem; padding: 0; border: 1px solid; border-radius: 50%; transform: translate(-50%, -50%); font-family: var(--mono); font-size: 1.55rem; font-weight: 500; cursor: crosshair; animation: target-drift var(--target-life) ease-in-out infinite alternate; transition: opacity .15s ease, transform .15s ease; }
.game-target:hover, .game-target:focus-visible { transform: translate(-50%, -50%) scale(1.12); }
.game-target-bitcoin { border-color: #ffd27a; background: radial-gradient(circle at 35% 30%, #ffe7a8, #e99d1c 58%, #a85a0a); color: #1b1207; box-shadow: 0 0 1.8rem rgba(247,171,39,.5); }
.game-target-fiat { border-color: #ff9e9e; background: radial-gradient(circle at 35% 30%, #ffb8b8, #b34848 58%, #572427); color: white; box-shadow: 0 0 1.3rem rgba(213,82,82,.35); }
.game-target-cbdc { border-color: #c2a9ff; background: radial-gradient(circle at 35% 30%, #dacbff, #7255bd 58%, #32245f); color: white; box-shadow: 0 0 1.3rem rgba(138,104,222,.35); }
.game-target.is-hit, .game-target.is-wrong { opacity: 0; transform: translate(-50%, -50%) scale(1.45); pointer-events: none; }
.game-target:focus-visible { outline: 2px solid white; outline-offset: 4px; }
.game-controls { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1rem; }
.button-game-start, .button-game-secondary { cursor: pointer; }
.button-game-start { background: var(--gold); color: var(--black); }
.button-game-start:hover, .button-game-start:focus-visible { background: #efbd67; }
.button-game-secondary { border-color: rgba(243,241,234,.25); background: transparent; color: var(--paper); }
.button-game-secondary:hover, .button-game-secondary:focus-visible { border-color: var(--gold); background: rgba(220,167,85,.1); }
.game-help { max-height: 0; overflow: hidden; color: #b7c1b8; font-size: .84rem; line-height: 1.55; transition: max-height .3s ease, padding .3s ease; }
.game-help p { margin: 0; }
.bitcoin-game-app.is-help-open .game-help { max-height: 10rem; padding-top: 1rem; }
@keyframes target-drift { from { margin-top: -.35rem; } to { margin-top: .35rem; } }
.site-footer { background: var(--black); color: #9b9f98; padding: 1.5rem 1.25rem; font-family: var(--mono); font-size: .68rem; }
.footer-inner { width: min(100%, var(--max)); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }.footer-root { color: var(--gold); }.site-footer a { color: var(--paper); }

@media (max-width: 800px) {
  .site-header { justify-content: flex-end; padding-inline: 1rem; }.wordmark { position: static; margin-right: auto; }.wordmark img { width: 5rem; height: 3rem; }.menu-toggle { display: flex; align-items: center; }.main-nav { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: .75rem 1rem 1rem; background: var(--black); border-bottom: 1px solid var(--line-light); }.main-nav.is-open { display: flex; }.main-nav a { width: 100%; padding: .8rem 0; }
  .original-hero { min-height: calc(100vh - 4.8rem); }.page-hero { min-height: clamp(24rem, 60vh, 32rem); }.hero-kicker { font-size: 3.4rem; }.hero-logo { width: 12rem; }.hero-title { font-size: 1.45rem; }.hero-subtitle { font-size: 1rem; }
  .content-grid { display: block; width: calc(100% - 2.5rem); }.content-grid > .section-label { margin-bottom: 2.5rem; }.roots-intro-copy, .article-copy, .links-copy, .contact-copy, .game-copy, .home-game-intro, .game-page-copy { margin-left: 0; }.roots-mark, .side-logo, .offer-aside, .links-aside, .contact-card, .game-image, .bitcoin-game-app { margin-top: 3rem; }.copy-columns { grid-template-columns: 1fr; gap: 0; }.resource-card { grid-template-columns: 1fr auto; gap: .35rem 1rem; }.resource-card span, .resource-card strong, .resource-card small { grid-column: 1; }.resource-card b { grid-column: 2; grid-row: 1 / span 3; }.footer-inner { flex-direction: column; align-items: flex-start; }.page-hero-content { padding-top: 5rem; padding-bottom: 3.5rem; }.game-app-heading { flex-direction: column; }.game-status { text-align: left; }.game-board { min-height: 17rem; }.game-app-art, .game-app-art-copy { min-height: 8rem; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } }

/* Service headings and book recommendations. */
.hero-content .hero-title { font-size: clamp(2rem, 3.5vw, 3.6rem); font-weight: 300; line-height: 1.12; margin-bottom: 1.2rem; letter-spacing: -.035em; }
.hero-cta { margin-top: 1.6rem; }
.book-shop-note a { text-decoration: underline; text-underline-offset: .2em; }
.offer-price { padding: 1rem 1.2rem; border-left: 3px solid var(--gold); background: rgba(220,167,85,.12); color: var(--forest) !important; font-size: 1.15rem; }
.coin-copy h2 { margin: 1.1rem 0 1rem; color: white; font-size: clamp(3rem, 8vw, 7rem); }
.page-hero-content .offer-title { max-width: 18ch; font-size: clamp(2.8rem, 5.5vw, 5.5rem); }
.offer-details h2 { font-size: clamp(1.65rem, 2.5vw, 2.3rem); line-height: 1.18; letter-spacing: -.025em; color: var(--forest); margin: 2.4rem 0 1rem; }
@media (max-width: 800px) { .hero-content .hero-title { font-size: clamp(1.8rem, 7.5vw, 2.6rem); } .hero-content { padding-top: 2.5rem; } .hero-subtitle { max-width: 30rem; } }

/* Privacy page and legal links. */
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: .875rem; }
.trust-note { margin: 1.1rem 0 0; color: var(--paper); font-size: .9375rem; }
.trust-note-dark { color: var(--forest) !important; padding: 1rem 1.2rem; border-left: 3px solid var(--gold); background: rgba(220,167,85,.12); }
.privacy-copy h2 { margin: 2.4rem 0 1rem; color: var(--forest); font-size: clamp(1.45rem, 2.2vw, 2rem); line-height: 1.25; letter-spacing: -.02em; }
.privacy-copy a { text-decoration: underline; text-underline-offset: .2em; overflow-wrap: anywhere; }
.privacy-copy .privacy-date { color: var(--muted); font-size: .875rem; }