:root {
  --color-paper: oklch(97.5% 0.012 80);
  --color-paper-raised: oklch(99% 0.006 80);
  --color-ink: oklch(22% 0.02 260);
  --color-ink-soft: oklch(38% 0.02 260);
  --color-line: oklch(85% 0.015 80);
  --color-accent: oklch(62% 0.16 45);
  --color-accent-ink: oklch(24% 0.03 45);
  --color-accent-soft: oklch(93% 0.05 55);

  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --text-hero: clamp(2.6rem, 1.9rem + 3vw, 4.6rem);
  --text-h2: clamp(1.7rem, 1.4rem + 1.4vw, 2.6rem);
  --text-base: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);

  --space-section: clamp(3.5rem, 2.6rem + 4vw, 7rem);
  --space-md: clamp(1.25rem, 1rem + 1vw, 2rem);

  --radius-card: 18px;
  --radius-sm: 8px;

  --duration-fast: 150ms;
  --duration-normal: 320ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-card: 0 1px 2px oklch(22% 0.02 260 / 0.06), 0 12px 28px -12px oklch(22% 0.02 260 / 0.22);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 85% -10%, oklch(93% 0.04 55 / 0.6), transparent 60%),
    var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; }
strong { font-weight: 600; }
em { font-style: italic; }

a { color: inherit; }

.note-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent-ink);
  margin: 0 0 0.75em;
}
.note-label em { font-style: normal; opacity: 0.6; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: oklch(97.5% 0.012 80 / 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}
.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--color-ink);
}
.wordmark-accent { color: var(--color-accent); }
.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-decoration: none;
  border: 1px solid var(--color-ink);
  border-radius: 999px;
  padding: 0.5em 1.1em;
  transition: background var(--duration-fast) var(--ease-out-expo), color var(--duration-fast) var(--ease-out-expo);
}
.nav-cta:hover, .nav-cta:focus-visible {
  background: var(--color-ink);
  color: var(--color-paper);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  padding: 0.85em 1.5em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out-expo),
              box-shadow var(--duration-fast) var(--ease-out-expo),
              background var(--duration-fast) var(--ease-out-expo);
}
.btn-primary {
  background: var(--color-ink);
  color: var(--color-paper);
}
.btn-primary:hover, .btn-primary:focus-visible { transform: translateY(-1px); box-shadow: var(--shadow-card); background: var(--color-accent-ink); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn-ghost:hover, .btn-ghost:focus-visible { background: var(--color-paper-raised); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none !important; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(2.5rem, 3vw, 4rem); padding-bottom: var(--space-section); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: 1em;
}
.hero h1 { font-size: var(--text-hero); }
.hero-lede { color: var(--color-ink-soft); font-size: 1.08rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-block: 1.5rem 0.75rem; }
.hero-fineprint {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  margin: 0;
}

.price-plate {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 2vw, 2.25rem);
  box-shadow: var(--shadow-card);
  transform: rotate(0.6deg);
}
.price-plate-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  margin-bottom: 0.6em;
}
.price-plate-amount {
  font-family: var(--font-display);
  font-size: 3.4rem;
  font-weight: 600;
  color: var(--color-accent-ink);
  margin: 0;
  line-height: 1;
}
.price-plate-amount .currency { font-size: 1.6rem; vertical-align: 0.5em; margin-right: 0.05em; }
.price-plate-sub { color: var(--color-ink-soft); margin-top: 0.4em; margin-bottom: 1.3em; }
.price-plate-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5em;
  display: grid;
  gap: 0.55em;
  font-size: 0.94rem;
}
.price-plate-list li {
  padding-left: 1.4em;
  position: relative;
}
.price-plate-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.6em;
  height: 0.6em;
  border-radius: 2px;
  background: var(--color-accent);
}

/* ---------- context ---------- */
.context { padding-block: var(--space-section); border-top: 1px solid var(--color-line); }
.context-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
}
.context-note h2 { font-size: var(--text-h2); }
.context-note--alt {
  background: var(--color-paper-raised);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-card);
  padding: clamp(1.25rem, 2vw, 1.75rem);
}
.plain-list { margin: 0; padding-left: 1.2em; display: grid; gap: 0.7em; }
.plain-list li::marker { color: var(--color-accent); }

/* ---------- how it works ---------- */
.how { padding-block: var(--space-section); border-top: 1px solid var(--color-line); }
.how h2 { font-size: var(--text-h2); max-width: 20ch; }
.steps {
  list-style: none;
  margin: clamp(2rem, 3vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.step {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 1.6rem;
}
.step-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 0.75em;
}
.step h3 { font-size: 1.15rem; margin-bottom: 0.4em; }
.step p { color: var(--color-ink-soft); margin: 0; font-size: 0.95rem; }

/* ---------- reserve ---------- */
.reserve { padding-block: var(--space-section); border-top: 1px solid var(--color-line); }
.reserve-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.reserve-copy h2 { font-size: var(--text-h2); }
.reserve-copy p { color: var(--color-ink-soft); max-width: 42ch; }
.pay-methods {
  margin-top: 1.75rem;
  display: grid;
  gap: 1.1rem;
}
.pay-methods dt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent-ink);
}
.pay-methods dd { margin: 0.2em 0 0; color: var(--color-ink-soft); font-size: 0.92rem; }

.reserve-form {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 1.15rem;
}
.field { display: grid; gap: 0.4em; }
.field label, .field legend {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  padding: 0;
}
.field input[type="text"],
.field input[type="email"],
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.75em 0.9em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-paper);
  color: var(--color-ink);
  resize: vertical;
  transition: border-color var(--duration-fast) var(--ease-out-expo), box-shadow var(--duration-fast) var(--ease-out-expo);
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
fieldset.field { border: none; margin: 0; padding: 0; }
.radio { display: flex; align-items: center; gap: 0.5em; font-family: var(--font-body); text-transform: none; letter-spacing: normal; color: var(--color-ink); font-size: 0.95rem; margin-top: 0.4em; }
.radio input { accent-color: var(--color-accent); }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 1.2em;
  margin: 0;
}
.form-status[data-state="error"] { color: oklch(50% 0.18 25); }
.form-status[data-state="ok"] { color: oklch(45% 0.13 150); }

/* ---------- confirm ---------- */
.confirm { padding-block: var(--space-section); border-top: 1px solid var(--color-line); }
.confirm-box {
  background: var(--color-accent-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  max-width: 900px;
}
.confirm-box h2 { font-size: var(--text-h2); }
.confirm-pay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}
.confirm-pay-option {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}
.wallet-address {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 0.75em 1em;
  word-break: break-all;
}
.confirm-pay-option .wallet-address { background: var(--color-accent-soft); }
.fineprint { font-size: 0.85rem; color: var(--color-ink-soft); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: 2.5rem;
  color: var(--color-ink-soft);
  font-size: 0.88rem;
}
.footer-grid { display: grid; gap: 0.5rem; }
.footer-pay code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--color-paper-raised);
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 0.1em 0.4em;
}
.site-footer a { text-decoration: underline; text-underline-offset: 0.15em; }

/* ---------- motion-safe reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity var(--duration-normal) var(--ease-out-expo), transform var(--duration-normal) var(--ease-out-expo);
  }
  .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid, .context-grid, .reserve-grid { grid-template-columns: 1fr; }
  .price-plate { transform: none; justify-self: start; max-width: 420px; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .nav-cta { font-size: 0.78rem; padding: 0.45em 0.9em; }
}