:root {
  --bg: #f5eee4;
  --bg-soft: #fbf7f0;
  --paper: #fffaf3;
  --ink: #271f18;
  --muted: #74685c;
  --line: rgba(39, 31, 24, 0.16);
  --accent: #8c4d2d;
  --accent-dark: #4d2c20;
  --shadow: 0 28px 80px rgba(36, 26, 17, 0.22);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(255,255,255,0.86), transparent 28rem),
    radial-gradient(circle at 88% 0%, rgba(212,175,130,0.24), transparent 34rem),
    var(--bg);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  background: rgba(245, 238, 228, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(39, 31, 24, 0.08);
}

.brand {
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }
.nav-button {
  padding: 0.65rem 0.9rem;
  color: var(--ink) !important;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,250,243,0.62);
}

.section-pad {
  padding: clamp(4.5rem, 8vw, 8rem) clamp(1.25rem, 4vw, 4rem);
}

.hero {
  min-height: calc(100vh - 4.3rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  max-width: 1220px;
  margin: 0 auto;
}

.hero-copy { max-width: 650px; }
.eyebrow, .kicker {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 1.25rem;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.7rem);
  max-width: 760px;
}

h2 {
  font-size: clamp(2.4rem, 5.4vw, 4.75rem);
}

p {
  margin: 0 0 1.1rem;
  font-size: clamp(1rem, 1.3vw, 1.14rem);
  color: var(--muted);
}

.lead {
  color: var(--ink);
  font-size: clamp(1.14rem, 1.6vw, 1.32rem);
  line-height: 1.58;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  min-height: 3.25rem;
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff9ef;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(39,31,24,0.18);
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: var(--accent-dark);
  box-shadow: 0 18px 38px rgba(39,31,24,0.22);
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  box-shadow: none;
}

.button.ghost:hover { background: var(--paper); }

.book-wrap {
  position: relative;
  display: grid;
  place-items: center;
}

.book-glow {
  position: absolute;
  inset: 10% -5% 0;
  border-radius: 45%;
  background: radial-gradient(circle, rgba(214, 168, 110, 0.34), transparent 64%);
  filter: blur(14px);
}

.book-cover {
  position: relative;
  width: min(100%, 410px);
  border-radius: 2px;
  box-shadow: var(--shadow);
  transform: rotate(1.1deg);
}

.panel {
  background:
    linear-gradient(180deg, rgba(255,250,243,0.86), rgba(255,250,243,0.54)),
    var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.narrow {
  max-width: 790px;
  margin: 0 auto;
}

.narrow p {
  font-size: clamp(1.1rem, 1.55vw, 1.32rem);
}

.signup {
  padding-top: clamp(3.5rem, 7vw, 6.5rem);
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
}

.signup-card {
  max-width: 820px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 4.25rem);
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255,250,243,0.72);
  box-shadow: 0 20px 70px rgba(50, 37, 25, 0.09);
}

.signup-form {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.signup-form input {
  flex: 1;
  min-width: 0;
  min-height: 3.35rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
  color: var(--ink);
  font: inherit;
  outline: none;
}

.signup-form input:focus {
  border-color: rgba(140, 77, 45, 0.6);
  box-shadow: 0 0 0 4px rgba(140, 77, 45, 0.1);
}

.signup-form button {
  min-height: 3.35rem;
  padding: 0.9rem 1.2rem;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: #fff9ef;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.microcopy {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
}

.details {
  background: rgba(255,250,243,0.35);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.details-grid {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}

dl {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

dl div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--line);
}

dt {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

dd { margin: 0; color: var(--muted); }

.closing {
  text-align: center;
}

.closing .narrow { max-width: 860px; }
.closing p { max-width: 620px; margin-left: auto; margin-right: auto; }

.site-footer {
  padding: 2rem 1.25rem;
  text-align: center;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.88rem;
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .site-header { position: static; }
  .nav a:first-child { display: none; }
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    text-align: left;
  }
  .book-wrap { order: -1; }
  .book-cover { width: min(72vw, 320px); transform: rotate(0.6deg); }
  .details-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { align-items: flex-start; }
  .nav-button { display: none; }
  .section-pad { padding-left: 1rem; padding-right: 1rem; }
  h1 { font-size: clamp(3.05rem, 15vw, 4.65rem); }
  .signup-card { border-radius: 24px; }
  .signup-form { flex-direction: column; }
  .signup-form button { width: 100%; }
  dl div { grid-template-columns: 1fr; gap: 0.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .button, .book-cover { transition: none; }
}

/* Kit form layout fix */
.signup-form.formkit-form {
  max-width: 720px;
  margin: 2.5rem auto 0;
}

.signup-form .formkit-fields {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

.signup-form .formkit-input {
  width: 360px;
  max-width: 100%;
  flex: 0 0 360px;
}

.signup-form .formkit-submit {
  flex: 0 0 auto;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .signup-form .formkit-fields {
    flex-direction: column;
    align-items: stretch;
  }

  .signup-form .formkit-input,
  .signup-form .formkit-submit {
    width: 100%;
    flex: none;
  }
}