/* The Dental Money Model — landing page */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  font-feature-settings: 'kern' 1, 'liga' 1, 'cv05' 1;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.021em;
  margin: 0;
  font-variation-settings: 'SOFT' 0, 'WONK' 0;
}

p { margin: 0; }
img, svg { display: block; max-width: 100%; }

a { color: var(--color-accent-deep); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

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

.shell--narrow { max-width: var(--width-narrow); }

.section { padding-block: var(--space-section); }
.section--sunk { background: var(--color-paper-sunk); }
.section--ink {
  background: var(--color-ink-surface);
  color: var(--color-on-ink);
}
.section--ink h2, .section--ink h3 { color: var(--color-on-ink); }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  margin: 0 0 var(--space-md);
}
.section--ink .eyebrow { color: var(--color-accent-bright); }

.lede {
  font-size: var(--text-lg);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  line-height: 1.55;
}
.section--ink .lede { color: var(--color-on-ink-soft); }

.section-head { margin-bottom: var(--space-2xl); }
.section-head h2 { font-size: var(--text-2xl); margin-bottom: var(--space-md); }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.008em;
  padding: 1rem 1.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--duration-fast) var(--ease-out-soft),
              box-shadow var(--duration-fast) var(--ease-out-soft),
              background-color var(--duration-fast) linear;
}

.btn--primary {
  background: var(--color-accent-deep);
  color: var(--color-on-ink);
  box-shadow: var(--shadow-raised);
}
.btn--primary:hover { background: var(--color-accent); transform: translateY(-2px); box-shadow: var(--shadow-lifted); }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-rule-strong);
}
.btn--ghost:hover { border-color: var(--color-ink); transform: translateY(-2px); }

.section--ink .btn--ghost { color: var(--color-on-ink); border-color: oklch(45% 0.02 255); }
.section--ink .btn--ghost:hover { border-color: var(--color-on-ink); }

.btn--lg { padding: 1.15rem 2.25rem; font-size: var(--text-lg); }
.btn__price {
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
  font-weight: 500;
  padding-left: var(--space-sm);
  border-left: 1px solid currentColor;
  margin-left: var(--space-2xs);
}

.cta-cluster { display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: center; }

.cta-reassure {
  margin-top: var(--space-md);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
}
.cta-reassure span { display: inline-flex; align-items: center; gap: 0.375rem; }
.section--ink .cta-reassure { color: var(--color-on-ink-soft); }

/* ---------- Masthead ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(97.5% 0.008 85 / 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-normal) linear,
              background-color var(--duration-normal) linear;
}
.masthead[data-stuck='true'] {
  border-bottom-color: var(--color-rule);
  background: oklch(97.5% 0.008 85 / 0.94);
}
.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: 0.875rem;
}
.masthead__mark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: -0.015em;
  text-decoration: none;
  color: var(--color-ink);
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  min-height: 44px;
}
.masthead__mark em { font-style: normal; color: var(--color-accent-deep); }
.masthead__cta { padding: 0.625rem 1.125rem; font-size: var(--text-sm); }

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

.hero {
  position: relative;
  padding-block: clamp(2rem, 1.25rem + 2.5vw, 3.25rem) clamp(3rem, 2rem + 4vw, 5.5rem);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 70%;
  background: radial-gradient(60% 70% at 70% 30%, var(--color-accent-wash), transparent 70%);
  opacity: 0.85;
  pointer-events: none;
}
.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
  align-items: center;
}
.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  border: 1px solid var(--color-rule-strong);
  background: var(--color-paper-raised);
  border-radius: 100px;
  padding: 0.4rem 0.875rem;
  margin-bottom: var(--space-md);
}
.hero__tag b { color: var(--color-accent-deep); font-weight: 700; }

.hero h1 {
  font-size: var(--text-hero);
  margin-bottom: var(--space-lg);
  max-width: 21ch;
  text-wrap: balance;
}
.hero h1 .quiet { color: var(--color-ink-faint); }

.hero__lede { font-size: var(--text-lg); color: var(--color-ink-soft); max-width: 44ch; margin-bottom: var(--space-lg); }

/* Book object — the real cover */
.book {
  position: relative;
  perspective: 1600px;
  display: flex;
  justify-content: center;
}
.book__img {
  width: min(300px, 78%);
  height: auto;
  border-radius: 3px 7px 7px 3px;
  box-shadow: var(--shadow-book), inset 0 0 0 1px oklch(100% 0 0 / 0.06);
  transform: rotateY(-13deg) rotateX(2.5deg);
  transition: transform var(--duration-slow) var(--ease-out-expo);
  background: oklch(15% 0 0);
}
.book:hover .book__img { transform: rotateY(-7deg) rotateX(1deg) translateY(-6px); }

/* Proof strip */
.proofstrip {
  position: relative;
  list-style: none;
  margin: clamp(2rem, 1.5rem + 2vw, 3.5rem) 0 0;
  padding: var(--space-lg) 0 0;
  border-top: 1px solid var(--color-rule-strong);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-xl);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}
.proofstrip b {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-ink);
  margin-right: 0.15rem;
}

@media (max-width: 880px) {
  .hero__grid { grid-template-columns: 1fr; gap: var(--space-xl); }
  .hero h1 { max-width: 20ch; }
  /* Stacked layouts: the headline is the hook, so it always leads; the cover follows the CTA. */
  .book__img { width: min(230px, 46%); transform: rotateY(-9deg); }
}

@media (max-width: 680px) {
  .hero__grid { gap: var(--space-2xl); }
  .book__img { width: min(210px, 56%); }
  .proofstrip { gap: var(--space-xs) var(--space-lg); }
  .hero__tag { font-size: 0.625rem; padding: 0.35rem 0.75rem; gap: var(--space-xs); }
  .hero__tag .hero__tag-long { display: none; }
}
@media (max-width: 480px) {
  .hero .cta-cluster .btn, .finale .cta-cluster .btn { width: 100%; }
}

/* ---------- Figure: the ratio bars (after Figure 3 in the book) ---------- */

.figure {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 0.8rem + 1.8vw, 2.25rem);
  box-shadow: var(--shadow-raised);
}
.figure__label {
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-rule);
}
.figure__note {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  line-height: 1.5;
}

.ratio-row {
  display: grid;
  grid-template-columns: 11rem minmax(0, 1fr) 4.5rem;
  gap: var(--space-md);
  align-items: center;
  padding-block: 0.6rem;
}
.ratio-row + .ratio-row { border-top: 1px dashed var(--color-rule); }
.ratio-row__name {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
}
.ratio-row__track {
  position: relative;
  height: 10px;
  background: var(--color-paper-sunk);
  border-radius: 100px;
  overflow: hidden;
}
.ratio-row__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: 100px;
  background: var(--color-deficit);
  transition: width var(--duration-slow) var(--ease-out-expo);
}
.ratio-row[data-healthy='true'] .ratio-row__fill { background: var(--color-accent); }
.ratio-row__value {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--color-deficit);
}
.ratio-row[data-healthy='true'] .ratio-row__value { color: var(--color-accent-deep); }

.ratio-threshold {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px solid var(--color-ink);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-ink);
}

@media (max-width: 620px) {
  .ratio-row { grid-template-columns: 1fr 3.75rem; grid-template-areas: 'name value' 'track track'; row-gap: var(--space-xs); }
  .ratio-row__name { grid-area: name; }
  .ratio-row__value { grid-area: value; }
  .ratio-row__track { grid-area: track; }
}

/* ---------- Diagnosis split ---------- */

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

.prose > * + * { margin-top: var(--space-md); }
.prose p { max-width: var(--measure); }
.prose strong { font-weight: 600; color: var(--color-ink); }
.section--ink .prose strong { color: var(--color-on-ink); }

.pullquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1.32;
  letter-spacing: -0.018em;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-lg);
  margin-block: var(--space-xl);
  color: var(--color-ink);
}
.section--ink .pullquote { color: var(--color-on-ink); border-left-color: var(--color-accent-bright); }

/* ---------- Calculator ---------- */

.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  align-items: start;
}
@media (max-width: 880px) { .calc { grid-template-columns: 1fr; } }

.calc__live { display: none; }
@media (max-width: 880px) {
  .calc__live {
    position: sticky;
    top: 4.25rem; /* clears the 60px phone masthead */
    z-index: 5;
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    margin: 0 0 var(--space-lg);
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid;
    font-size: var(--text-xs);
    color: var(--color-on-ink-soft);
    box-shadow: 0 8px 22px oklch(10% 0.02 255 / 0.5);
    transition: background-color var(--duration-normal) linear, border-color var(--duration-normal) linear;
  }
  .calc__live b {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 600;
    line-height: 1;
    color: var(--color-on-ink);
    font-variant-numeric: tabular-nums;
    margin-right: auto;
  }
  .calc__live[data-state='deficit'] { background: oklch(32% 0.06 32); border-color: oklch(48% 0.1 32); }
  .calc__live[data-state='healthy'] { background: oklch(30% 0.05 195); border-color: oklch(48% 0.08 195); }
}

.calc__field { display: block; margin-bottom: var(--space-lg); }
.calc__field:last-of-type { margin-bottom: 0; }
.calc__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: var(--color-on-ink);
}
.calc__hint {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-on-ink-soft);
  margin-bottom: var(--space-sm);
  line-height: 1.45;
}
.calc__input-wrap { position: relative; display: flex; align-items: center; }
.calc__prefix {
  position: absolute;
  left: 0.875rem;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-on-ink-soft);
  pointer-events: none;
}
.calc__input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-on-ink);
  background: oklch(27% 0.025 255);
  border: 1px solid oklch(38% 0.025 255);
  border-radius: var(--radius-md);
  padding: 0.8rem 0.875rem 0.8rem 2rem;
  transition: border-color var(--duration-fast) linear, background-color var(--duration-fast) linear;
  -moz-appearance: textfield;
}
.calc__input--bare { padding-left: 0.875rem; }
.calc__input::-webkit-outer-spin-button,
.calc__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc__input:hover { border-color: oklch(50% 0.03 255); }
.calc__input:focus { outline: none; border-color: var(--color-accent-bright); background: oklch(30% 0.028 255); }

.calc__out {
  background: oklch(26% 0.025 255);
  border: 1px solid oklch(38% 0.025 255);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 0.8rem + 1.6vw, 1.875rem);
}
.calc__out-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  padding-block: 0.7rem;
  font-size: var(--text-sm);
}
.calc__out-row + .calc__out-row { border-top: 1px dashed oklch(38% 0.025 255); }
.calc__out-row dt { color: var(--color-on-ink-soft); margin: 0; }
.calc__out-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-on-ink);
  white-space: nowrap;
}

.calc__verdict {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid;
  transition: background-color var(--duration-normal) linear, border-color var(--duration-normal) linear;
}
.calc__verdict[data-state='deficit'] { background: oklch(32% 0.06 32); border-color: oklch(48% 0.1 32); }
.calc__verdict[data-state='healthy'] { background: oklch(30% 0.05 195); border-color: oklch(48% 0.08 195); }
.calc__verdict[data-state='idle']    { background: oklch(29% 0.02 255); border-color: oklch(40% 0.02 255); }

.calc__ratio {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-on-ink);
  margin-bottom: var(--space-xs);
  font-variant-numeric: tabular-nums;
}
.calc__verdict-text { font-size: var(--text-sm); line-height: 1.5; color: var(--color-on-ink-soft); margin: 0; }
.calc__verdict-text b { color: var(--color-on-ink); font-weight: 600; }

/* ---------- Decisions (bento, deliberately uneven) ---------- */

.decisions {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-md);
}
.decision {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 0.9rem + 1.2vw, 1.875rem);
  grid-column: span 2;
  transition: border-color var(--duration-fast) linear, transform var(--duration-fast) var(--ease-out-soft);
}
.decision:hover { border-color: var(--color-accent); transform: translateY(-3px); }
.decision:nth-child(1), .decision:nth-child(2) { grid-column: span 3; }
.decision__n {
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-sm);
}
.decision h3 { font-size: var(--text-lg); margin-bottom: var(--space-sm); }
.decision p { font-size: var(--text-sm); color: var(--color-ink-soft); line-height: 1.55; }
.decision__from {
  display: block;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px dashed var(--color-rule);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}
.decision__from b { color: var(--color-deficit); font-weight: 600; }

@media (max-width: 900px) {
  .decisions { grid-template-columns: repeat(2, 1fr); }
  .decision, .decision:nth-child(1), .decision:nth-child(2) { grid-column: span 1; }
  .decision:nth-child(5) { grid-column: span 2; }
}
@media (max-width: 600px) {
  .decisions { grid-template-columns: 1fr; }
  .decision, .decision:nth-child(n) { grid-column: span 1; }
}

/* ---------- Contents ---------- */

.contents { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: var(--space-lg); }
.part {
  border-top: 2px solid var(--color-ink);
  padding-top: var(--space-md);
}
.part__n {
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}
.part h3 { font-size: var(--text-lg); margin: var(--space-2xs) 0 var(--space-md); }
.part ol { margin: 0; padding: 0; list-style: none; counter-reset: ch; }
.part li {
  counter-increment: ch;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  padding-block: 0.3rem;
  display: flex;
  gap: var(--space-sm);
  line-height: 1.45;
}
.part li::before {
  content: counter(ch, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  flex-shrink: 0;
  padding-top: 0.1rem;
}

/* Look inside */
.peek { margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: 1px solid var(--color-rule); }
.peek__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-xs) var(--space-md); margin-bottom: var(--space-lg); }
.peek__head h3 { font-size: var(--text-xl); }
.peek__head p { font-size: var(--text-sm); color: var(--color-ink-soft); }
.peek__rail { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-lg); }
.peek__page { margin: 0; }
.peek__page img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-rule);
  box-shadow: var(--shadow-raised);
  background: var(--color-paper-raised);
  transition: transform var(--duration-normal) var(--ease-out-expo), box-shadow var(--duration-normal) linear;
}
.peek__page:hover img { transform: translateY(-5px); box-shadow: var(--shadow-lifted); }
.peek__page figcaption { margin-top: var(--space-sm); font-size: var(--text-xs); color: var(--color-ink-soft); }
.peek__page figcaption b { font-family: var(--font-mono); font-weight: 600; color: var(--color-accent-deep); margin-right: 0.35rem; }

/* Phones: a swipeable rail, with the next page peeking in so it reads as scrollable */
@media (max-width: 760px) {
  .peek__rail {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 74%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    margin-inline: calc(var(--gutter) * -1);
    padding: 0.25rem var(--gutter) var(--space-md);
    scrollbar-width: none;
  }
  .peek__rail::-webkit-scrollbar { display: none; }
  .peek__page { scroll-snap-align: center; }
}

.midcta {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) clamp(1.25rem, 0.9rem + 1.4vw, 2rem);
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
}
.midcta p { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.015em; max-width: 26ch; line-height: 1.3; }
@media (max-width: 600px) { .midcta .btn { width: 100%; } }

/* ---------- Fit / not-fit ---------- */

.fit { display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr)); gap: var(--space-xl); }
.fit__col {
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 0.9rem + 1.4vw, 2rem);
  border: 1px solid;
}
.fit__col--yes { background: var(--color-accent-wash); border-color: oklch(84% 0.05 195); }
.fit__col--no  { background: var(--color-paper-sunk); border-color: var(--color-rule); }
.fit__col h3 { font-size: var(--text-lg); margin-bottom: var(--space-md); }
.fit__col ul { margin: 0; padding: 0; list-style: none; }
.fit__col li {
  display: flex;
  gap: var(--space-sm);
  padding-block: 0.45rem;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}
.fit__col li::before { flex-shrink: 0; font-weight: 700; padding-top: 0.05rem; }
.fit__col--yes li::before { content: '\2713'; color: var(--color-accent-deep); }
.fit__col--no  li::before { content: '\2715'; color: var(--color-ink-faint); }

/* ---------- Offer / price card ---------- */

.offer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 1rem + 4vw, 4rem);
  align-items: center;
}
@media (max-width: 880px) { .offer { grid-template-columns: 1fr; } }

.price-card {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  box-shadow: var(--shadow-lifted);
}
.price-card__tier {
  font-size: var(--text-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
  margin-bottom: var(--space-md);
}
.price-card__amount {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}
.price-card__cur { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-ink-soft); }
.price-card__fig {
  font-family: var(--font-display);
  font-size: clamp(3rem, 2rem + 4vw, 4.25rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-variant-numeric: tabular-nums;
}
.price-card__unit { font-size: var(--text-sm); color: var(--color-ink-faint); }
.price-card__compare { font-size: var(--text-sm); color: var(--color-ink-soft); margin-bottom: var(--space-lg); }
.price-card__list { margin: 0 0 var(--space-xl); padding: 0; list-style: none; }
.price-card__list li {
  display: flex;
  gap: var(--space-sm);
  padding-block: 0.45rem;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.5;
  border-top: 1px dashed var(--color-rule);
}
.price-card__list li:first-child { border-top: none; }
.price-card__list li::before { content: '\2713'; color: var(--color-accent-deep); font-weight: 700; flex-shrink: 0; }
.price-card .btn { width: 100%; }

.pay-marks {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-rule);
}
.pay-mark {
  font-size: var(--text-micro);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-faint);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.5rem;
  background: var(--color-paper);
}

/* ---------- Guarantee ---------- */

.guarantee {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
  background: var(--color-caution-wash);
  border: 1px solid oklch(86% 0.06 80);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 0.9rem + 1.4vw, 1.875rem);
}
.guarantee__seal {
  flex-shrink: 0;
  width: 3rem; height: 3rem;
  border-radius: 50%;
  border: 2px solid var(--color-caution);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-caution);
  line-height: 1;
}
.guarantee h3 { font-size: var(--text-lg); margin-bottom: var(--space-xs); }
.guarantee p { font-size: var(--text-sm); color: var(--color-ink-soft); line-height: 1.55; }

/* ---------- Author ---------- */

.author { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-xl); align-items: start; }
@media (max-width: 680px) { .author { grid-template-columns: 1fr; } }
.author__portrait {
  width: 8.5rem; height: 8.5rem;
  border-radius: 50%;
  background: linear-gradient(150deg, oklch(30% 0.03 252), oklch(20% 0.028 258));
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-accent-bright);
  flex-shrink: 0;
  object-fit: cover;
}

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

.faq { max-width: var(--width-narrow); }
.faq__item { border-bottom: 1px solid var(--color-rule); }
.faq__item summary {
  cursor: pointer;
  list-style: none;
  padding-block: var(--space-lg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.015em;
  display: flex;
  justify-content: space-between;
  gap: var(--space-lg);
  align-items: center;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '';
  flex-shrink: 0;
  width: 0.75rem; height: 0.75rem;
  border-right: 2px solid var(--color-ink-faint);
  border-bottom: 2px solid var(--color-ink-faint);
  transform: rotate(45deg) translateY(-25%);
  transition: transform var(--duration-normal) var(--ease-out-soft);
}
.faq__item[open] summary::after { transform: rotate(-135deg) translateY(-25%); }
.faq__item summary:hover { color: var(--color-accent-deep); }
.faq__answer { padding-bottom: var(--space-lg); }
.faq__answer p { font-size: var(--text-sm); color: var(--color-ink-soft); line-height: 1.6; max-width: var(--measure); }
.faq__answer p + p { margin-top: var(--space-md); }

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

.finale { text-align: center; }
.finale h2 { font-size: var(--text-3xl); max-width: 17ch; margin-inline: auto; margin-bottom: var(--space-lg); }
.finale .lede { margin-inline: auto; margin-bottom: var(--space-xl); }
.finale .cta-cluster { justify-content: center; }
.finale .cta-reassure { justify-content: center; }

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

.footer {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-xl);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
}
.footer__inner { display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-xl); justify-content: space-between; align-items: center; }
.footer nav { display: flex; flex-wrap: wrap; gap: 0 var(--space-lg); }
.footer a { color: var(--color-ink-faint); text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; padding-inline: 0.25rem; }
.footer a:hover { color: var(--color-ink); text-decoration: underline; }
.footer__legal { max-width: 52ch; line-height: 1.55; margin-top: var(--space-lg); }

/* ---------- Sticky mobile buy bar ---------- */

.buybar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 60;
  background: var(--color-paper-raised);
  border-top: 1px solid var(--color-rule-strong);
  padding: 0.75rem var(--gutter);
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  box-shadow: 0 -4px 20px oklch(22% 0.02 255 / 0.1);
  transform: translateY(110%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}
.buybar[data-visible='true'] { transform: translateY(0); }
.buybar__price { font-family: var(--font-display); font-weight: 600; font-size: var(--text-lg); line-height: 1.1; }
.buybar__price small { display: block; font-family: var(--font-body); font-size: var(--text-micro); font-weight: 500; color: var(--color-ink-faint); letter-spacing: 0.04em; }
.buybar .btn { padding: 0.75rem 1.25rem; }

@media (max-width: 760px) {
  .buybar { display: flex; }
  body { padding-bottom: 4.5rem; }
  .masthead__cta { display: none; }
  .masthead__inner { padding-block: 0.5rem; }
}

/* ---------- Reveal on scroll ---------- */

.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal[data-shown='true'] {
  opacity: 1;
  transform: none;
  transition: opacity var(--duration-slow) var(--ease-out-soft),
              transform var(--duration-slow) var(--ease-out-expo);
}
@media (prefers-reduced-motion: reduce) { .js .reveal { opacity: 1; transform: none; } }

.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;
}
.skip-link {
  position: absolute; top: 0; left: 50%;
  transform: translate(-50%, -110%);
  background: var(--color-ink-surface); color: var(--color-on-ink);
  padding: 0.75rem 1.25rem; border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 100; text-decoration: none; font-size: var(--text-sm); font-weight: 600;
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ---------- Simple document pages (terms, privacy, refunds, success) ---------- */

.doc { padding-block: var(--space-2xl) var(--space-section); }
.doc h1 { font-size: var(--text-2xl); margin-bottom: var(--space-sm); }
.doc__meta { font-size: var(--text-xs); color: var(--color-ink-faint); margin-bottom: var(--space-2xl); }
.doc h2 { font-size: var(--text-lg); margin-top: var(--space-xl); margin-bottom: var(--space-sm); }
.doc p, .doc li { font-size: var(--text-sm); color: var(--color-ink-soft); line-height: 1.65; max-width: var(--measure); }
.doc p + p { margin-top: var(--space-md); }
.doc ul { padding-left: 1.15rem; margin: var(--space-md) 0; }
.doc li { padding-block: 0.2rem; }
.doc .todo {
  background: var(--color-caution-wash);
  border: 1px solid oklch(86% 0.06 80);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-ink);
  max-width: var(--measure);
  margin-block: var(--space-lg);
}
.doc .todo b { color: var(--color-caution); }

.success { text-align: center; padding-block: var(--space-section); }
.success__tick {
  width: 4.5rem; height: 4.5rem;
  margin: 0 auto var(--space-xl);
  border-radius: 50%;
  background: var(--color-accent-wash);
  border: 2px solid var(--color-accent);
  display: grid; place-items: center;
  font-size: 2rem; color: var(--color-accent-deep); line-height: 1;
}
.success h1 { font-size: var(--text-3xl); margin-bottom: var(--space-md); }
.success .lede { margin-inline: auto; margin-bottom: var(--space-xl); }
.success__steps { text-align: left; max-width: 30rem; margin: var(--space-2xl) auto 0; }
.success__steps li {
  list-style: none;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-rule);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  display: flex; gap: var(--space-md);
}
.success__steps ol { margin: 0; padding: 0; counter-reset: s; }
.success__steps li::before {
  counter-increment: s; content: counter(s);
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 700;
  color: var(--color-accent-deep); flex-shrink: 0;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--color-accent-wash); display: grid; place-items: center;
}