/* ── Lead Magnet Download — library study in oxblood & cream ────────
   Laid-paper cream ground, perspective-tilted oxblood leather book
   with gold foil title, dotted-leader table of contents, colophon
   stats between hairline rules, library checkout slip email gate
   with DUE: NEVER stamp, forest-green ink accents. */

:root {
  --cream: #f6f1e5;
  --cream-deep: #efe8d7;
  --oxblood: #5c1f22;
  --oxblood-deep: #43161a;
  --gold: #c9a24b;
  --forest: #2e5a3c;
  --forest-deep: #234730;
  --ink: #2f2a24;
  --ink-soft: #837b6c;
  --err: #b8432c;
  --serif: 'Playfair Display', serif;
  --sans: 'Source Sans 3', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

.hidden { display: none !important; }

body {
  font-family: var(--sans);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  background:
    repeating-linear-gradient(0deg, rgba(47, 42, 36, 0.025) 0 1px, transparent 1px 3px),
    linear-gradient(180deg, var(--cream), var(--cream-deep));
  background-attachment: fixed;
  min-height: 100vh;
}

.study { min-height: 100vh; display: flex; flex-direction: column; }

.wrap { width: 100%; max-width: 640px; margin: 0 auto; padding: 0 24px; flex: 1 0 auto; padding-bottom: 60px; }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero { text-align: center; padding: 54px 10px 10px; }

.kicker {
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 14px;
}

.hero h1 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 3.4rem);
  line-height: 1.12;
  color: var(--oxblood);
}

.subtitle {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1rem, 3.4vw, 1.2rem);
  color: var(--ink-soft);
  max-width: 440px;
  margin: 12px auto 0;
}

/* ── Spread ───────────────────────────────────────────────────────── */
.spread {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 34px;
  align-items: center;
  padding: 40px 0 8px;
}

.book-stage { perspective: 900px; display: flex; justify-content: center; }

.book {
  position: relative;
  width: 210px;
  min-height: 290px;
  background: linear-gradient(150deg, #6e2a2e, var(--oxblood) 45%, var(--oxblood-deep));
  border-radius: 6px 14px 14px 6px;
  padding: 34px 24px 28px;
  text-align: center;
  transform: rotateY(-16deg) rotateX(4deg);
  transform-style: preserve-3d;
  box-shadow:
    -14px 18px 34px rgba(47, 42, 36, 0.35),
    inset -6px 0 12px rgba(0, 0, 0, 0.35),
    inset 2px 0 0 rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(201, 162, 75, 0.5);
}

.ribbon {
  position: absolute;
  top: -6px;
  right: 30px;
  width: 16px;
  height: 54px;
  background: var(--forest);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 84%, 0 100%);
}

.book-kicker {
  font-weight: 700;
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(201, 162, 75, 0.8);
}

.book-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.25;
  color: var(--gold);
  margin-top: 16px;
  text-shadow: 0 1px 1px rgba(0, 0, 0, 0.4);
}

.book-rule { color: rgba(201, 162, 75, 0.7); font-size: 1.1rem; margin-top: 16px; }

.book-author {
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(246, 241, 229, 0.65);
  margin-top: 14px;
}

/* ── TOC ──────────────────────────────────────────────────────────── */
.toc-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--oxblood);
  margin-bottom: 14px;
}

.toc-list { list-style: none; counter-reset: ch; }

.toc-list li {
  counter-increment: ch;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 0;
  font-size: 0.94rem;
}

.toc-list li::before {
  content: counter(ch, upper-roman) '.';
  font-family: var(--serif);
  font-weight: 600;
  color: var(--forest);
  min-width: 2.2em;
}

.toc-list .ch { font-weight: 600; }

.toc-list li::after {
  content: '';
  flex: 1;
  border-bottom: 2px dotted #cfc5ad;
  transform: translateY(-3px);
}

.toc-list .pg { font-family: var(--serif); color: var(--ink-soft); }

/* ── Colophon ─────────────────────────────────────────────────────── */
.colophon {
  display: flex;
  justify-content: center;
  gap: 48px;
  border-top: 1px solid #d8cdb4;
  border-bottom: 1px solid #d8cdb4;
  padding: 20px 10px;
  margin-top: 32px;
}

.stat { text-align: center; }

.stat strong {
  display: block;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--oxblood);
}

.stat span {
  font-weight: 700;
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ── Checkout slip ────────────────────────────────────────────────── */
#gate-section, #unlocked { padding-top: 36px; }

.slip {
  position: relative;
  max-width: 460px;
  margin: 0 auto;
  background: #fffdf6;
  border: 1.5px solid #d8cdb4;
  border-radius: 4px;
  padding: 30px 32px 28px;
  box-shadow: 0 12px 26px rgba(47, 42, 36, 0.12);
}

.slip::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--oxblood) 0 26px, var(--gold) 26px 30px);
  border-radius: 3px 3px 0 0;
}

.slip-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; }

.slip h2 {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--oxblood);
}

.stamp {
  flex: 0 0 auto;
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  line-height: 1.5;
  text-align: center;
  color: var(--forest);
  border: 2px solid var(--forest);
  border-radius: 4px;
  padding: 5px 10px;
  transform: rotate(7deg);
  opacity: 0.85;
}

.slip-sub { color: var(--ink-soft); font-size: 0.92rem; margin-top: 10px; }

/* ── Form ─────────────────────────────────────────────────────────── */
form { margin-top: 18px; }

.field { margin-bottom: 14px; }

label {
  display: block;
  font-weight: 700;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 6px;
}

.req { color: var(--forest); }

input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--ink);
  background: var(--cream);
  border: 1.5px solid #d8cdb4;
  border-radius: 6px;
  transition: border-color 0.15s ease;
}

input:focus { outline: none; border-color: var(--forest); }
input.error { border-color: var(--err); }
input::placeholder { color: #bdb298; }

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream);
  background: linear-gradient(180deg, #386b48, var(--forest-deep));
  border: none;
  border-radius: 8px;
  padding: 15px 30px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease;
  box-shadow: 0 4px 0 #182f20;
  margin-top: 4px;
}

.btn:hover:not(:disabled) { transform: translateY(-2px); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.btn-block { width: 100%; }

.form-error { color: var(--err); font-weight: 700; text-align: center; margin-top: 12px; font-size: 0.9rem; }

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2.5px solid rgba(246, 241, 229, 0.4);
  border-top-color: var(--cream);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Unlocked ─────────────────────────────────────────────────────── */
.slip-done { text-align: center; }

.slip-note { color: var(--ink-soft); font-size: 0.8rem; margin-top: 14px; }

/* ── Footer ───────────────────────────────────────────────────────── */
.foot {
  text-align: center;
  padding: 30px 20px;
  color: var(--ink-soft);
  font-size: 0.8rem;
}

#wbx-powered-by-slot { margin-top: 12px; }

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .spread { grid-template-columns: 1fr; gap: 26px; }
  .colophon { gap: 26px; flex-wrap: wrap; }
}