:root {
  --paper: #f3efe6;
  --paper-2: #e8e2d4;
  --ink: #161410;
  --muted: #6d675c;
  --line: #d4cdc0;
  --tap: #c62828;
  --tap-deep: #8e1515;
  --btc: #f08a12;
  --btc-ink: #3d2200;
  --shadow: 0 24px 60px rgba(40, 24, 10, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 50% -10%, rgba(198, 40, 40, 0.08), transparent 55%),
    var(--paper);
  font-family: "IBM Plex Sans", sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 620;
  letter-spacing: -0.01em;
  word-spacing: 0.06em;
  line-height: 1.08;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(3rem, 8vw, 6.4rem);
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
  margin: 8px 0;
  font-size: 1.45rem;
}

p {
  margin: 0 0 14px;
}

a {
  color: inherit;
}

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 8;
  opacity: 0.18;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.nav {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 16px 7vw;
  background: rgba(243, 239, 230, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: Fraunces, serif;
  font-size: 1.2rem;
  font-weight: 620;
}

.brand-tap {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--tap);
  box-shadow: 6px 0 0 var(--tap), -6px 0 0 var(--tap);
}

.nav nav {
  display: flex;
  gap: 22px;
}

.nav nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav nav a:hover {
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 500 0.95rem/1 "IBM Plex Sans", sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.btn-dark {
  color: #fff;
  background: var(--ink);
}

.btn-btc {
  color: var(--btc-ink);
  background: var(--btc);
}

.btn-ghost {
  color: var(--ink);
  background: transparent;
  border-color: var(--line);
}

.btn:hover {
  transform: translateY(-1px);
}

.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px 7vw 80px;
  text-align: center;
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--tap);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.faucet-stage {
  position: relative;
  width: min(168px, 42vw);
  height: 230px;
  margin: 6px auto 20px;
  overflow: hidden;
}

.tap {
  width: 100%;
  overflow: visible;
  filter: drop-shadow(0 16px 16px rgba(198, 40, 40, 0.16));
}

.drip-origin {
  position: absolute;
  left: 50%;
  top: 88%;
  width: 2px;
  height: 2px;
}

.drip {
  position: absolute;
  left: 0;
  top: 0;
  color: var(--btc);
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  font-weight: 500;
  animation: fall 1.7s linear forwards;
}

@keyframes fall {
  to {
    transform: translateY(150px);
    opacity: 0;
  }
}

.lede {
  max-width: 620px;
  margin: 0 auto 28px;
  color: var(--muted);
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.pills {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.pills li {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  color: var(--muted);
  font-size: 0.88rem;
}

.panel,
.how,
.drip-check,
.ca-block,
.catch {
  padding: 72px 7vw;
}

.panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--paper-2);
  border-block: 1px solid var(--line);
}

.panel-copy p,
.how p,
.drip-lede,
.catch p {
  color: var(--muted);
  font-size: 1.05rem;
}

blockquote {
  margin: 24px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--tap);
  background: rgba(255, 255, 255, 0.45);
  color: var(--ink);
  font-family: Fraunces, serif;
  font-size: 1.15rem;
}

cite {
  display: block;
  margin-top: 10px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  font-style: normal;
}

cite a {
  color: var(--tap);
}

.archive {
  margin: 0;
}

.archive img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: #fff;
}

.archive figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
}

.how {
  max-width: 1200px;
  margin: 0 auto;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.cards article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

.cards span {
  color: var(--tap);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.ca-block {
  text-align: center;
  background: var(--ink);
  color: #f6f1e7;
}

.ca-block .eyebrow {
  color: var(--btc);
}

.ca-block h2 {
  margin-bottom: 28px;
}

.ca-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ca-row code {
  max-width: 100%;
  padding: 14px 16px;
  overflow-wrap: anywhere;
  border: 1px solid #3a342c;
  border-radius: 12px;
  background: #221e19;
  color: #f3c27a;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(0.72rem, 2vw, 0.95rem);
}

.links {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.links a {
  color: #cfc6b6;
}

.drip-check {
  background: var(--paper-2);
  border-block: 1px solid var(--line);
}

.drip-check h2,
.drip-lede,
.drip-row,
.drip-status,
.drip-results {
  max-width: 920px;
}

.drip-lede {
  max-width: 620px;
}

.drip-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.drip-row input {
  flex: 1 1 260px;
  min-height: 46px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font: 400 0.92rem/1 "IBM Plex Mono", monospace;
}

.drip-row input:focus {
  outline: 2px solid var(--tap);
  outline-offset: 2px;
}

.drip-row input::placeholder {
  color: #9a9386;
}

.drip-status {
  min-height: 1.4em;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.drip-status.is-error {
  color: var(--tap-deep);
}

.drip-results {
  margin-top: 28px;
}

.drip-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 0;
}

.drip-stats div {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.5);
}

.drip-stats dt {
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.drip-stats dd {
  margin: 8px 0 0;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 620;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.stat-usd {
  margin: 6px 0 0;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.stat-usd:empty {
  display: none;
}

.stat-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.catch {
  text-align: center;
}

.catch h2 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
}

.catch p {
  font-size: 1.25rem;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 22px 7vw 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 9;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  opacity: 0;
  transform: translateY(8px);
  transition: 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: none;
}

.btn-short {
  display: none;
}

@media (max-width: 720px) {
  .nav {
    padding: 12px 16px;
    gap: 12px;
  }

  .nav nav {
    display: none;
  }

  .btn-full {
    display: none;
  }

  .btn-short {
    display: inline;
  }

  .panel,
  .cards,
  .drip-stats {
    grid-template-columns: 1fr;
  }

  .hero,
  .panel,
  .how,
  .drip-check,
  .ca-block,
  .catch {
    padding-left: 22px;
    padding-right: 22px;
  }

  .ca-row code {
    font-size: 0.7rem;
  }
}