/* ============================================================
   BOLSA — Landing
   Sistema: navy profundo + oro + crema; tipografía editorial
   ============================================================ */

:root {
  /* Color */
  --bg: #0A1426;
  --bg-deep: #060D1B;
  --bg-card: #0F1C33;
  --paper: #F5EFE0;
  --paper-dim: #C9C2B0;
  --paper-soft: #8B8676;
  --rule: rgba(245, 239, 224, 0.14);
  --rule-strong: rgba(245, 239, 224, 0.32);
  --gold: #D4A24C;
  --gold-bright: #E8BE63;
  --gold-deep: #8C6A2B;
  --green: #4ADE80;
  --green-deep: #1E8047;

  /* Type */
  --display: "Anton", "Oswald", "Arial Narrow", sans-serif;
  --serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --sans: "Geist", "Inter", -apple-system, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  /* Spacing */
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

input, textarea {
  font: inherit;
  color: inherit;
}

/* ---------- Layout primitives ---------- */

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.kicker {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--paper-soft);
  font-weight: 600;
}

/* ---------- Display headings ---------- */

.display {
  font-family: var(--display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 0.92;
  color: var(--paper);
  /* subtle white-metal sheen, like the cover */
  background: linear-gradient(180deg,
    #FFFDF6 0%,
    #FFFFFF 30%,
    #F0EAD8 70%,
    #C9C2B0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Metallic gold gradient — replicates the cover's foiled lettering */
.display .gold,
.gold-metal {
  background: linear-gradient(180deg,
    #6B4D1A 0%,
    #B7842B 12%,
    #F1D079 30%,
    #FFE89C 42%,
    #C99334 58%,
    #E8BE63 72%,
    #B7842B 88%,
    #5E4416 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* faint outer glow so the gold reads against navy like ink on the cover */
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.35));
}

h1.display { font-size: clamp(56px, 11vw, 126px); }
h2.display { font-size: clamp(40px, 7vw, 92px); }
h3.display { font-size: clamp(28px, 4vw, 48px); }

.lede {
  font-family: var(--serif);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--paper-dim);
  max-width: 56ch;
}

.serif-h {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  color: var(--paper);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 28px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  border-radius: 2px;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-gold {
  background: var(--gold);
  color: var(--bg-deep);
}
.btn-gold:hover { background: var(--gold-bright); }

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--rule-strong);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.btn-arrow {
  width: 16px;
  height: 10px;
  position: relative;
  display: inline-block;
}
.btn-arrow::before, .btn-arrow::after {
  content: "";
  position: absolute;
  background: currentColor;
}
.btn-arrow::before {
  left: 0; right: 0; top: 4px; height: 1.5px;
}
.btn-arrow::after {
  right: 0; top: 0; width: 8px; height: 8px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
  background: transparent;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 20, 38, 0.78);
  border-bottom: 1px solid var(--rule);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  display: inline-block;
  border-radius: 50%;
}
.nav-links {
  display: flex;
  gap: 36px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  font-weight: 500;
}
.nav-links a {
  position: relative;
  padding: 4px 0;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold); }
@media (max-width: 900px) { .nav-links { display: none; } }

.nav-cta {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--bg-deep);
  background: var(--gold);
  padding: 10px 18px;
  border-radius: 2px;
}
.nav-cta:hover { background: var(--gold-bright); }
@media (max-width: 520px) { .nav-cta .full { display: none; } }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: clamp(80px, 12vw, 100px) 0 clamp(60px, 8vw, 120px);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
}

.hero-title {
  font-size: clamp(52px, 8vw, 112px);
  margin: 24px 0 32px;
}
.hero-title .serif-line {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.6vw, 36px);
  letter-spacing: -0.005em;
  color: var(--paper);
  text-transform: none;
  line-height: 1.1;
  margin-bottom: 14px;
}

.hero-stats {
  display: flex;
  gap: clamp(20px, 4vw, 48px);
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.stat-num {
  font-family: var(--display);
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1;
  background: linear-gradient(180deg,
    #8A6324 0%,
    #D6A24A 25%,
    #F4D078 45%,
    #C99334 65%,
    #8A6324 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.stat-lbl {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-soft);
  margin-top: 10px;
  max-width: 16ch;
  line-height: 1.4;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* Hero books */
.hero-books {
  position: relative;
  height: clamp(380px, 48vw, 560px);
}
.book-card {
  position: absolute;
  border-radius: 4px;
  overflow: hidden;
  box-shadow:
    0 30px 60px -20px rgba(0,0,0,0.75),
    0 18px 30px -12px rgba(0,0,0,0.55),
    0 0 0 1px rgba(255,255,255,0.04);
  transition: transform 0.5s cubic-bezier(.2,.7,.2,1);
  background: var(--bg-card);
}
.book-card img { width: 100%; height: 100%; object-fit: cover; }
.book-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 25%, rgba(0,0,0,0) 70%, rgba(0,0,0,0.25) 100%);
  pointer-events: none;
}
.book-card.book-1 {
  width: 58%;
  aspect-ratio: 1024 / 1536;
  left: 0;
  top: 8%;
  transform: rotate(-4deg);
  z-index: 2;
}
.book-card.book-2 {
  width: 58%;
  aspect-ratio: 1024 / 1536;
  right: 0;
  top: 16%;
  transform: rotate(5deg);
  z-index: 1;
}
.book-card:hover {
  transform: rotate(0deg) scale(1.02);
  z-index: 5;
}

.hero-vol-tag {
  position: absolute;
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gold);
  background: var(--bg-deep);
  padding: 6px 12px;
  border: 1px solid var(--gold-deep);
  border-radius: 2px;
  z-index: 3;
}
.hero-vol-tag.tag-1 { left: -6px; top: 4%; }
.hero-vol-tag.tag-2 { right: -6px; top: 72%; }

/* Hero background atmosphere */
.hero::before {
  content: "";
  position: absolute;
  top: -10%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(212, 162, 76, 0.10), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--rule);
}

/* ---------- Section frame ---------- */

section.scope {
  position: relative;
  padding: clamp(80px, 10vw, 140px) 0;
  border-bottom: 1px solid var(--rule);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 5vw, 80px);
  margin-bottom: clamp(48px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 800px) {
  .section-head { grid-template-columns: 1fr; gap: 24px; }
}
.section-head .lede { margin-top: 12px; }

/* ---------- Two volumes section ---------- */

.volumes {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(60px, 8vw, 120px);
}
.volume {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}
.volume.reverse {
  grid-template-columns: 1.15fr 0.85fr;
}
.volume.reverse .vol-cover { order: 2; }
@media (max-width: 800px) {
  .volume, .volume.reverse { grid-template-columns: 1fr; gap: 36px; }
  .volume.reverse .vol-cover { order: 0; }
}

.vol-cover {
  position: relative;
  aspect-ratio: 1024 / 1536;
  border-radius: 4px;
  overflow: hidden;
  box-shadow:
    0 40px 80px -30px rgba(0,0,0,0.85),
    0 20px 40px -16px rgba(0,0,0,0.55),
    0 0 0 1px rgba(255,255,255,0.04);
}
.vol-cover img { width: 100%; height: 100%; object-fit: cover; }

.vol-number {
  font-family: var(--display);
  font-size: clamp(80px, 12vw, 160px);
  line-height: 1;
  letter-spacing: -0.01em;
  background: linear-gradient(180deg,
    #6B4D1A 0%,
    #B7842B 12%,
    #F1D079 30%,
    #FFE89C 42%,
    #C99334 58%,
    #E8BE63 72%,
    #B7842B 88%,
    #5E4416 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0,0,0,0.35));
}
.vol-number sup {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.22em;
  vertical-align: top;
  margin-left: 12px;
  color: var(--paper-soft);
  text-transform: uppercase;
}
.vol-meta {
  margin-top: -8px;
  margin-bottom: 12px;
}
.vol-title {
  font-family: var(--display);
  font-size: clamp(36px, 5vw, 64px);
  line-height: 0.95;
  letter-spacing: -0.005em;
  text-transform: uppercase;
  margin: 6px 0 16px;
  color: var(--paper);
}
.vol-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.4;
  color: var(--gold);
  margin-bottom: 28px;
  max-width: 28ch;
}
.vol-desc {
  font-size: 17px;
  line-height: 1.65;
  color: var(--paper-dim);
  max-width: 52ch;
  margin-bottom: 32px;
}

.vol-for {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--paper-soft);
  margin-bottom: 10px;
}
.vol-for-list {
  list-style: none;
  padding: 0;
  margin: 0 0 36px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vol-for-list li {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--paper);
  padding-left: 22px;
  position: relative;
  line-height: 1.5;
}
.vol-for-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

.vol-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.vol-price {
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper-soft);
  margin-top: 14px;
}
.vol-price strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- Aprenderás (curriculum) ---------- */

.curriculum-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 0;
}
.tab {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--paper-soft);
  padding: 20px 28px;
  background: transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.2s, border-color 0.2s;
}
.tab .tab-num {
  color: var(--gold);
  margin-right: 8px;
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0;
}
.tab:hover { color: var(--paper); }
.tab.active {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.curriculum-body {
  padding: clamp(40px, 6vw, 64px) 0;
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: clamp(32px, 5vw, 64px);
}
@media (max-width: 800px) {
  .curriculum-body { grid-template-columns: 1fr; gap: 32px; }
}

.curriculum-intro {
  position: sticky;
  top: 96px;
  align-self: start;
}
.curriculum-intro h3 {
  font-family: var(--display);
  font-size: clamp(32px, 4vw, 48px);
  line-height: 0.95;
  text-transform: uppercase;
  margin: 0 0 20px;
}
.curriculum-intro p {
  font-size: 16px;
  color: var(--paper-dim);
  line-height: 1.6;
  max-width: 32ch;
}

.curriculum-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: chap;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
}
@media (max-width: 640px) {
  .curriculum-list { grid-template-columns: 1fr; }
}
.curriculum-list li {
  counter-increment: chap;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 18px;
  align-items: baseline;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
}
.curriculum-list li::before {
  content: counter(chap, decimal-leading-zero);
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 600;
  min-width: 22px;
  flex-shrink: 0;
  padding-top: 4px;
}

/* ---------- Author signature block ---------- */

.signature {
  background: var(--bg-deep);
  padding: clamp(64px, 8vw, 120px) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.signature-quote {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.3;
  color: var(--paper);
  max-width: 28ch;
  text-wrap: balance;
}
.signature-quote::before {
  content: "\201C";
  font-family: var(--serif);
  font-size: clamp(64px, 8vw, 120px);
  color: var(--gold);
  line-height: 0;
  vertical-align: -0.4em;
  margin-right: 12px;
  font-style: normal;
}
.signature-attr {
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--gold);
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.signature-attr::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold);
}

/* ---------- Lead magnet ---------- */

.leadmagnet {
  position: relative;
  padding: clamp(80px, 10vw, 140px) 0;
  background: var(--bg-card);
  overflow: hidden;
}
.leadmagnet::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 1px;
  background: var(--rule);
  display: none;
}

.lm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 800px) {
  .lm-grid { grid-template-columns: 1fr; }
}

.lm-preview {
  position: relative;
  perspective: 1200px;
}
.lm-preview-inner {
  position: relative;
  transform-style: preserve-3d;
  transform: rotateY(-8deg) rotateX(2deg);
}
.lm-pdf {
  background: var(--paper);
  color: var(--bg-deep);
  aspect-ratio: 8.5 / 11;
  padding: 8% 9%;
  font-family: var(--serif);
  border-radius: 2px;
  box-shadow:
    0 50px 80px -30px rgba(0,0,0,0.7),
    0 20px 40px -18px rgba(0,0,0,0.5);
  position: relative;
}
.lm-pdf-num {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  font-weight: 600;
}
.lm-pdf-title {
  font-family: var(--display);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 0.96;
  text-transform: uppercase;
  margin: 14px 0 18px;
  background: linear-gradient(180deg,
    #5E4416 0%,
    #A87929 18%,
    #E0B557 40%,
    #C99334 60%,
    #7A5520 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.lm-pdf-rule {
  width: 40px;
  height: 2px;
  background: var(--gold);
  margin-bottom: 18px;
}
.lm-pdf-body {
  font-size: clamp(10px, 1vw, 12px);
  line-height: 1.55;
  color: rgba(10,20,38,0.78);
  column-count: 1;
}
.lm-pdf-body p {
  margin: 0 0 10px;
}
.lm-pdf-body p:first-letter {
  font-family: var(--display);
  font-size: 2.4em;
  float: left;
  line-height: 0.9;
  margin-right: 6px;
  color: var(--gold-deep);
}

.lm-badge {
  position: absolute;
  top: -16px;
  right: -16px;
  background: var(--gold);
  color: var(--bg-deep);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 14px 20px;
  border-radius: 50%;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.15;
  transform: rotate(8deg);
  box-shadow: 0 12px 30px -8px rgba(212, 162, 76, 0.55);
}

.lm-form {
  max-width: 480px;
}
.lm-form h2 {
  margin: 16px 0 20px;
}
.lm-form p.lede {
  margin-bottom: 32px;
}

.lm-input-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}
.lm-input {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-strong);
  padding: 18px 0 14px;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--paper);
  outline: none;
  transition: border-color 0.2s;
}
.lm-input::placeholder { color: var(--paper-soft); }
.lm-input:focus { border-bottom-color: var(--gold); }

.lm-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper-soft);
  margin: 20px 0 28px;
  cursor: pointer;
}
.lm-checkbox input { display: none; }
.lm-checkbox .box {
  width: 16px; height: 16px;
  border: 1px solid var(--rule-strong);
  display: inline-block;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: border-color 0.2s, background 0.2s;
}
.lm-checkbox input:checked + .box {
  background: var(--gold);
  border-color: var(--gold);
}
.lm-checkbox input:checked + .box::after {
  content: "";
  position: absolute;
  left: 4px; top: 1px;
  width: 5px; height: 9px;
  border: solid var(--bg-deep);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.lm-checkbox a { color: var(--paper); text-decoration: underline; text-decoration-color: var(--rule-strong); }

.lm-submit {
  width: 100%;
  justify-content: space-between;
  padding: 22px 28px;
}

.lm-bonus {
  display: flex;
  gap: 20px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  flex-wrap: wrap;
}
.lm-bonus-item {
  display: flex;
  gap: 12px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--paper-dim);
  align-items: center;
}
.lm-bonus-item .dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
}

.lm-success {
  padding: 32px;
  border: 1px solid var(--gold);
  background: rgba(212, 162, 76, 0.06);
  border-radius: 2px;
}
.lm-success h3 {
  font-family: var(--display);
  font-size: 32px;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 12px;
}
.lm-success p {
  font-family: var(--serif);
  color: var(--paper-dim);
  margin: 0;
}

/* ---------- FAQ ---------- */

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(40px, 6vw, 88px);
}
@media (max-width: 800px) {
  .faq-grid { grid-template-columns: 1fr; }
}
.faq-list { display: flex; flex-direction: column; }

.faq-item {
  border-bottom: 1px solid var(--rule);
}
.faq-trigger {
  width: 100%;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  font-family: var(--display);
  font-size: clamp(20px, 2vw, 26px);
  text-transform: uppercase;
  color: var(--paper);
  letter-spacing: 0.005em;
  line-height: 1.1;
}
.faq-trigger:hover { color: var(--gold); }
.faq-icon {
  width: 24px; height: 24px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.3s;
}
.faq-icon::before {
  left: 0; right: 0; top: 11px; height: 2px;
}
.faq-icon::after {
  top: 0; bottom: 0; left: 11px; width: 2px;
}
.faq-item.open .faq-icon::after { transform: rotateZ(90deg); }

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-content-inner {
  padding: 0 0 32px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--paper-dim);
  max-width: 60ch;
}

/* ---------- Final CTA ---------- */

.final {
  position: relative;
  padding: clamp(100px, 12vw, 180px) 0;
  background:
    radial-gradient(ellipse at 80% 30%, rgba(212, 162, 76, 0.12), transparent 60%),
    var(--bg-deep);
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}
.final-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
@media (max-width: 800px) {
  .final-inner { grid-template-columns: 1fr; }
}
.final-stack {
  position: relative;
  height: clamp(360px, 50vw, 480px);
}
.final-stack .book-card.book-1 { left: 8%; width: 50%; transform: rotate(-7deg); top: 6%; }
.final-stack .book-card.book-2 { right: 4%; width: 50%; transform: rotate(6deg); bottom: 4%; }
.final-stack .book-card:hover { transform: rotate(0); }

.final-ctas {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.final-meta {
  display: flex;
  gap: 32px;
  margin-top: 36px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper-soft);
  flex-wrap: wrap;
}
.final-meta strong {
  color: var(--paper);
  font-weight: 600;
  margin-right: 6px;
}

/* ---------- Footer ---------- */

footer.foot {
  padding: 60px 0 40px;
  background: var(--bg-deep);
}
.foot-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper-soft);
  flex-wrap: wrap;
  gap: 20px;
}
.foot-links { display: flex; gap: 28px; }
.foot-links a:hover { color: var(--gold); }

/* ---------- utility ---------- */
.spacer-12 { height: 12px; }
.spacer-24 { height: 24px; }
.spacer-32 { height: 32px; }

.amazon-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
}
.amazon-badge svg {
  width: 14px; height: 14px;
}