/*
 * ClaimSatoshi home page.
 * Same design language as whyshared.com: warm paper background, ink text,
 * one cobalt accent, Bricolage Grotesque headings, Geist body, Geist Mono labels.
 */
:root {
  --paper: #f4f2ec;
  --paper-2: #ebe8e0;
  --card: #ffffff;
  --ink: #0c0e13;
  --ink-2: #2a2e37;
  --ink-3: #5a5f6a;
  --rule: rgba(12, 14, 19, .12);
  --cobalt: #0052e0;
  --cobalt-deep: #003cae;
  --cobalt-wash: #e2eafa;
  --cobalt-on-dark: #7aa2ff;
  --marigold: #f4a51c;
  --night: #0c0e13;
  --night-2: #161921;
  --night-rule: rgba(237, 235, 229, .12);
  --night-text: #edebe5;
  --night-muted: #9a9ea8;
  --font-display: 'Bricolage Grotesque', 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --shadow-card: 0 1px 0 rgba(12, 14, 19, .04), 0 12px 32px -18px rgba(12, 14, 19, .28);
}

* { box-sizing: border-box; }
.ch { margin: 0; background: var(--paper); color: var(--ink-2); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
.ch a { color: var(--cobalt); text-decoration: none; }
.ch a:hover { color: var(--cobalt-deep); }
:where(.ch) h1, :where(.ch) h2, :where(.ch) h3 { margin: 0; color: var(--ink); font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; }
:where(.ch) p { margin: 0; }
.ch-wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.ch-narrow { max-width: 820px; }
.ch-center { margin-top: 40px; text-align: center; }
.ch-muted { color: var(--ink-3); font-family: var(--font-mono); font-size: 12px; }

/* ---------- Buttons ---------- */
.ch-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 22px; border: 1.5px solid transparent; border-radius: 999px; font-family: var(--font); font-size: 15px; font-weight: 600; line-height: 1.2; transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease; }
.ch-btn:hover { transform: translateY(-1px); }
.ch-btn i { font-size: 20px; }
.ch-btn-sm { padding: 8px 16px; font-size: 14px; }
.ch-btn-lg { padding: 15px 28px; font-size: 16px; }
.ch .ch-btn-primary { background: var(--cobalt); color: #fff; }
.ch .ch-btn-primary:hover { background: var(--cobalt-deep); color: #fff; }
.ch .ch-btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.ch .ch-btn-ghost:hover { background: var(--ink); color: var(--paper); }
.ch .ch-btn-light { background: #fff; color: var(--cobalt); }
.ch .ch-btn-light:hover { background: var(--cobalt-wash); color: var(--cobalt-deep); }
.ch .ch-btn-outline-light { border-color: rgba(255, 255, 255, .7); color: #fff; }
.ch .ch-btn-outline-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }

/* ---------- Eyebrow labels ---------- */
.ch-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--ink-3); font-family: var(--font-mono); font-size: 12.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.ch-eyebrow::before { content: ""; width: 7px; height: 7px; background: var(--cobalt); }
.ch-eyebrow-dark { color: var(--night-muted); }
.ch-eyebrow-dark::before { background: var(--cobalt-on-dark); }

/* ---------- Header ---------- */
.ch-header { position: sticky; top: 0; z-index: 50; background: rgba(244, 242, 236, .86); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s ease; }
.ch-header.is-scrolled { border-bottom-color: var(--rule); }
.ch-nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.ch-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.ch a.ch-logo, .ch a.ch-logo:hover { color: var(--ink); }
.ch-logo b { color: var(--cobalt); }
.ch-logo-mark { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 10px; background: var(--cobalt); color: #fff; font-size: 22px; }
.ch-nav-links { display: flex; align-items: center; gap: 26px; margin: 0; padding: 0; list-style: none; }
.ch .ch-nav-links a:not(.ch-btn) { color: var(--ink-2); font-size: 15px; font-weight: 500; }
.ch .ch-nav-links a:not(.ch-btn):hover { color: var(--cobalt); }
.ch-nav-links li:nth-last-child(2) { margin-left: 4px; }
.ch-nav-links li:last-child { margin-left: -14px; }
.ch-nav-toggle { display: none; padding: 4px; border: 0; background: none; color: var(--ink); font-size: 28px; }

@media (max-width: 900px) {
  .ch-nav-toggle { display: block; }
  .ch-nav-links { position: absolute; top: 68px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px; background: var(--paper); border-bottom: 1px solid var(--rule); }
  .ch-nav-links.is-open { display: flex; }
  .ch-nav-links li { margin: 0 !important; }
  .ch-nav-links li a:not(.ch-btn) { display: block; padding: 12px 0; border-bottom: 1px solid var(--rule); }
  .ch-nav-links .ch-btn { width: 100%; margin-top: 12px; }
}

/* ---------- Hero ---------- */
.ch-hero { position: relative; padding: 88px 0 72px; text-align: center; overflow: hidden; background-image: radial-gradient(rgba(12, 14, 19, .09) 1px, transparent 1px); background-size: 22px 22px; }
.ch-hero::before { content: ""; position: absolute; top: 10%; left: 50%; width: 620px; height: 420px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(0, 82, 224, .14), transparent); pointer-events: none; }
.ch-hero > .ch-wrap { position: relative; }
.ch-hero h1 { max-width: 860px; margin: 0 auto; font-size: clamp(42px, 7.2vw, 80px); font-weight: 800; line-height: 1.02; letter-spacing: -.045em; }
.ch-accent { color: var(--cobalt); }
.ch-hero-sub { max-width: 640px; margin: 22px auto 0; color: var(--ink-2); font-size: clamp(17px, 2vw, 19px); line-height: 1.6; }
.ch-hero-sub strong { color: var(--ink); }
.ch-hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 34px; }
.ch a.ch-google { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; color: var(--ink-3); font-size: 14.5px; }
.ch a.ch-google i { color: var(--ink); font-size: 18px; }
.ch a.ch-google:hover { color: var(--ink); }
.ch-coins { display: flex; justify-content: center; gap: 14px; margin-top: 36px; }
.ch-coins img { width: 36px; height: 36px; padding: 6px; border: 1px solid var(--rule); border-radius: 50%; background: var(--card); box-sizing: content-box; }

/* ---------- Trust strip ---------- */
.ch-strip { border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--paper); }
.ch-strip-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 18px; padding-top: 16px; padding-bottom: 16px; }
.ch-strip-row span { color: var(--ink-3); font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.ch-strip-row b { color: var(--ink); font-family: var(--font-display); font-size: 16px; font-weight: 600; }
.ch-strip-row i { width: 6px; height: 6px; background: var(--cobalt); opacity: .5; }

/* ---------- Ads ---------- */
.ch-ad { display: flex; justify-content: center; margin: 32px auto; max-width: 100%; overflow: hidden; }

/* ---------- Sections ---------- */
.ch-section { padding: 88px 0; scroll-margin-top: 68px; }
.ch-section-alt { background: var(--paper-2); }
.ch-section h2, .ch-band h2 { max-width: 760px; font-size: clamp(30px, 4.2vw, 46px); line-height: 1.08; letter-spacing: -.035em; }
.ch-lead { max-width: 640px; margin-top: 16px; color: var(--ink-3); font-size: 17.5px; }

/* ---------- Ways to earn ---------- */
.ch-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 44px; }
@media (max-width: 991px) { .ch-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 575px) { .ch-grid { grid-template-columns: 1fr; } }
.ch-card { padding: 26px; border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--card); box-shadow: var(--shadow-card); transition: transform .15s ease, border-color .15s ease; }
.ch-card:hover { transform: translateY(-2px); border-color: rgba(0, 82, 224, .35); }
.ch-card h3 { margin: 16px 0 6px; font-size: 20px; }
.ch-card p { color: var(--ink-3); font-size: 15.5px; }
.ch-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--r-md); background: var(--cobalt-wash); color: var(--cobalt); font-size: 22px; }

/* ---------- Steps ---------- */
.ch-steps { display: grid; gap: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 44px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.ch-steps li { padding: 28px 28px 8px 0; }
.ch-steps li + li { padding-left: 28px; border-left: 1px solid var(--rule); }
.ch-step-no { display: block; margin-bottom: 18px; color: var(--cobalt); font-family: var(--font-mono); font-size: 14px; }
.ch-steps h3 { margin-bottom: 8px; font-size: 22px; }
.ch-steps p { color: var(--ink-3); }
@media (max-width: 767px) {
  .ch-steps { grid-template-columns: 1fr; }
  .ch-steps li, .ch-steps li + li { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--rule); }
}

/* ---------- Dark stats band ---------- */
.ch-band { padding: 88px 0; background: var(--night); color: var(--night-text); }
.ch-band h2 { color: var(--night-text); }
.ch-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 44px; border-top: 1px solid var(--night-rule); border-bottom: 1px solid var(--night-rule); }
.ch-stats > div { padding: 30px 24px 30px 0; }
.ch-stats > div + div { padding-left: 24px; border-left: 1px solid var(--night-rule); }
.ch-stat-value { color: #fff; font-family: var(--font-display); font-size: clamp(32px, 4vw, 48px); font-weight: 700; letter-spacing: -.03em; line-height: 1.1; }
.ch-stat-label { margin-top: 8px; color: var(--night-muted); font-size: 14.5px; }
.ch-band-note { margin-top: 22px; color: var(--night-muted); font-size: 14.5px; }
.ch .ch-band-note a { color: var(--cobalt-on-dark); }
.ch-trust { margin-top: 26px; }
@media (max-width: 767px) {
  .ch-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ch-stats > div { padding: 22px 12px 22px 0; }
  .ch-stats > div + div { padding-left: 0; border-left: 0; }
  .ch-stats > div:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--night-rule); }
  .ch-stats > div:nth-child(n+3) { border-top: 1px solid var(--night-rule); }
}

/* ---------- Payouts ---------- */
.ch-split { display: grid; gap: 48px; grid-template-columns: 1fr 1fr; align-items: center; }
.ch-split .ch-btn { margin-top: 26px; }
@media (max-width: 900px) { .ch-split { grid-template-columns: 1fr; gap: 32px; } }
.ch-table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--card); box-shadow: var(--shadow-card); }
.ch-table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.ch-table th { padding: 14px 20px; border-bottom: 1px solid var(--rule); color: var(--ink-3); font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .1em; text-align: left; text-transform: uppercase; }
.ch-table td { padding: 15px 20px; border-bottom: 1px solid var(--rule); color: var(--ink); font-weight: 500; }
.ch-table tr:last-child td { border-bottom: 0; }

/* ---------- Why ---------- */
.ch-why { display: grid; gap: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 44px; border-top: 1px solid var(--rule); }
.ch-why > div { padding: 28px 28px 28px 0; border-bottom: 1px solid var(--rule); }
.ch-why > div:not(:nth-child(3n+1)) { padding-left: 28px; border-left: 1px solid var(--rule); }
.ch-why h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; font-size: 20px; }
.ch-why h3 i { color: var(--cobalt); font-size: 24px; }
.ch-why p { color: var(--ink-3); font-size: 15.5px; }
@media (max-width: 900px) {
  .ch-why { grid-template-columns: 1fr; }
  .ch-why > div, .ch-why > div:not(:nth-child(3n+1)) { padding: 24px 0; border-left: 0; }
}

/* ---------- FAQ ---------- */
.ch-faq { margin-top: 36px; border-top: 1px solid var(--rule); }
.ch-faq details { border-bottom: 1px solid var(--rule); }
.ch-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; color: var(--ink); font-family: var(--font-display); font-size: 19px; font-weight: 600; cursor: pointer; list-style: none; }
.ch-faq summary::-webkit-details-marker { display: none; }
.ch-faq summary::after { content: "+"; flex: none; color: var(--cobalt); font-family: var(--font-mono); font-size: 22px; }
.ch-faq details[open] summary::after { content: "−"; }
.ch-faq details p { padding: 0 0 22px; color: var(--ink-3); font-size: 16px; }
.ch-faq strong { color: var(--ink); }
.ch-more { margin-top: 24px; color: var(--ink-3); }

/* ---------- Guides ---------- */
.ch-guides { display: grid; gap: 16px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 40px; }
@media (max-width: 991px) { .ch-guides { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 575px) { .ch-guides { grid-template-columns: 1fr; } }
.ch .ch-guides a { display: flex; flex-direction: column; gap: 12px; padding: 22px; border: 1px solid var(--rule); border-radius: var(--r-lg); background: var(--card); transition: border-color .15s ease, transform .15s ease; }
.ch .ch-guides a:hover { transform: translateY(-2px); border-color: rgba(0, 82, 224, .35); }
.ch-guides span { color: var(--cobalt); font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; }
.ch-guides h3 { font-size: 18px; line-height: 1.3; }

/* ---------- CTA ---------- */
.ch-cta { padding: 64px 32px; border-radius: 24px; background: var(--cobalt); background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px); background-size: 22px 22px; text-align: center; }
.ch .ch-cta h2 { max-width: none; color: #fff; }
.ch-cta p { margin-top: 12px; color: rgba(255, 255, 255, .85); font-size: 17.5px; }
.ch-cta .ch-hero-actions { margin-top: 28px; }

/* ---------- Footer ---------- */
.ch-footer { padding: 64px 0 32px; background: var(--night); color: var(--night-muted); }
.ch-footer-grid { display: grid; gap: 36px; grid-template-columns: 1.6fr 1fr 1fr 1fr; }
@media (max-width: 767px) { .ch-footer-grid { grid-template-columns: 1fr 1fr; } .ch-footer-grid > :first-child { grid-column: 1 / -1; } }
.ch .ch-footer .ch-logo { color: var(--night-text); margin-bottom: 16px; }
.ch-footer p { font-size: 14.5px; }
.ch-footer p + p { margin-top: 8px; }
.ch-footer h4 { margin: 0 0 14px; color: var(--night-text); font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.ch-footer ul { margin: 0; padding: 0; list-style: none; }
.ch-footer li + li { margin-top: 9px; }
.ch .ch-footer a { color: var(--night-text); font-size: 14.5px; }
.ch .ch-footer a:hover { color: var(--cobalt-on-dark); }
.ch-footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--night-rule); font-size: 13.5px; }

@media (max-width: 575px) {
  .ch-hero { padding: 60px 0 52px; }
  .ch-section, .ch-band { padding: 64px 0; }
  .ch-hero-actions .ch-btn { width: 100%; }
}
