:root, [data-theme="light"] {
  --color-bg: #faf8f4;
  --color-surface: #f5f2ec;
  --color-surface-2: #ede9e1;
  --color-surface-offset: #e5e0d6;
  --color-divider: #d6d0c4;
  --color-border: #c9c3b5;
  --color-text: #2a2318;
  --color-text-muted: #6b6050;
  --color-text-faint: #a89e8e;
  --color-text-inverse: #faf8f4;
  --color-primary: #6b4c1a;
  --color-primary-hover: #543b12;
  --color-primary-active: #3d2b0c;
  --color-primary-highlight: #e8dccc;
  --color-gold: #b8860b;
  --color-gold-light: #f5edd5;
  --color-success: #2e6b2e;
  --color-success-light: #d8ead8;
  --color-radius-sm: 0.375rem;
  --color-radius-md: 0.5rem;
  --color-radius-lg: 0.75rem;
  --color-radius-xl: 1rem;
  --color-radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(42,35,24,0.08);
  --shadow-md: 0 4px 16px rgba(42,35,24,0.10);
  --shadow-lg: 0 12px 40px rgba(42,35,24,0.14);
  --font-display: 'Lora', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-narrow: 640px;
  --content-default: 860px;
  --content-wide: 1100px;
}
[data-theme="dark"] {
  --color-bg: #16130e;
  --color-surface: #1d1a14;
  --color-surface-2: #24201a;
  --color-surface-offset: #2b2720;
  --color-divider: #302c25;
  --color-border: #3d3830;
  --color-text: #e8e2d8;
  --color-text-muted: #9e9282;
  --color-text-faint: #6b6050;
  --color-text-inverse: #16130e;
  --color-primary: #d4a45a;
  --color-primary-hover: #e8bc78;
  --color-primary-active: #f0cc94;
  --color-primary-highlight: #3a2e1a;
  --color-gold: #e8bc78;
  --color-gold-light: #2a2210;
  --color-success: #6aaa6a;
  --color-success-light: #1a2e1a;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; scroll-padding-top: var(--space-16); }
body { min-height: 100dvh; line-height: 1.65; font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text); background: var(--color-bg); }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"] { list-style: none; }
h1, h2, h3, h4 { text-wrap: balance; font-family: var(--font-display); line-height: 1.2; }
p, li { text-wrap: pretty; max-width: 72ch; }
button, a { cursor: pointer; transition: color var(--transition), background var(--transition), box-shadow var(--transition), border-color var(--transition); }
button { border: none; background: none; font: inherit; color: inherit; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* ─── LAYOUT ─── */
.container { max-width: var(--content-default); margin-inline: auto; padding-inline: var(--space-5); }
.container--wide { max-width: var(--content-wide); margin-inline: auto; padding-inline: var(--space-5); }
.container--narrow { max-width: var(--content-narrow); margin-inline: auto; padding-inline: var(--space-5); }
section { padding-block: clamp(var(--space-12), 7vw, var(--space-24)); }
.section--tight { padding-block: clamp(var(--space-8), 4vw, var(--space-16)); }

/* ─── BUTTONS ─── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-4) var(--space-8); border-radius: var(--color-radius-full); font-family: var(--font-body); font-size: var(--text-base); font-weight: 600; text-decoration: none; line-height: 1; min-height: 52px; transition: all var(--transition); }
.btn--primary { background: var(--color-primary); color: var(--color-text-inverse); box-shadow: 0 2px 8px rgba(107,76,26,0.25), 0 1px 2px rgba(107,76,26,0.15); }
.btn--primary:hover { background: var(--color-primary-hover); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn--primary:active { transform: translateY(0); background: var(--color-primary-active); }
.btn--ghost { border: 1.5px solid var(--color-border); color: var(--color-text-muted); padding: var(--space-3) var(--space-6); }
.btn--ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--cta { font-size: var(--text-lg); padding: var(--space-5) clamp(var(--space-8), 6vw, var(--space-16)); min-height: 60px; width: 100%; max-width: 480px; text-align: center; }

/* ─── BADGE ─── */
.badge { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--text-xs); font-weight: 600; padding: var(--space-1) var(--space-3); border-radius: var(--color-radius-full); letter-spacing: 0.04em; text-transform: uppercase; }
.badge--gold { background: var(--color-gold-light); color: var(--color-gold); border: 1px solid rgba(184,134,11,0.2); }
.badge--success { background: var(--color-success-light); color: var(--color-success); border: 1px solid rgba(46,107,46,0.2); }

/* ─── DIVIDER ─── */
hr { border: none; border-top: 1px solid var(--color-divider); margin-block: var(--space-8); }

/* ─── HEADER ─── */
.header { position: sticky; top: 0; z-index: 100; background: color-mix(in oklab, var(--color-bg) 90%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-divider); padding-block: var(--space-3); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.header__logo { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-primary); letter-spacing: -0.01em; text-decoration: none; display: flex; align-items: center; gap: var(--space-2); }
.header__logo svg { width: 28px; height: 28px; flex-shrink: 0; }
.header__actions { display: flex; align-items: center; gap: var(--space-3); }
.theme-toggle { width: 36px; height: 36px; border-radius: var(--color-radius-full); display: flex; align-items: center; justify-content: center; color: var(--color-text-muted); border: 1px solid var(--color-border); }
.theme-toggle:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* ─── HERO ─── */
.hero { padding-block: clamp(var(--space-16), 10vw, var(--space-24)); background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-bg) 60%); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 60% at 80% 50%, color-mix(in oklab, var(--color-primary) 8%, transparent) 0%, transparent 70%); pointer-events: none; }
.hero__inner { display: grid; gap: var(--space-12); align-items: center; }
@media (min-width: 768px) { .hero__inner { grid-template-columns: 1fr 1fr; } }
.hero__text { position: relative; z-index: 1; }
.hero__eyebrow { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-5); flex-wrap: wrap; }
.hero__headline { font-size: var(--text-2xl); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-5); }
.hero__headline em { font-style: italic; color: var(--color-primary); }
.hero__sub { font-size: var(--text-base); color: var(--color-text-muted); margin-bottom: var(--space-8); max-width: 52ch; }
.hero__proof { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-6); }
.hero__proof-item { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
.hero__proof-item svg { color: var(--color-success); flex-shrink: 0; }
.hero__visual { position: relative; }
.hero__book { background: var(--color-surface); border-radius: var(--color-radius-xl); padding: var(--space-8); box-shadow: var(--shadow-lg); border: 1px solid var(--color-border); }
.hero__book-title { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-4); }
.hero__book-list { display: flex; flex-direction: column; gap: var(--space-2); }
.hero__book-item { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); background: var(--color-surface-2); border-radius: var(--color-radius-md); font-size: var(--text-sm); }
.hero__book-item span:first-child { font-size: 1.1em; }
.hero__price-pill { margin-top: var(--space-5); background: var(--color-primary); color: var(--color-text-inverse); border-radius: var(--color-radius-lg); padding: var(--space-4) var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.hero__price-amount { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; }
.hero__price-detail { font-size: var(--text-sm); opacity: 0.85; line-height: 1.4; }
.hero__mockup {
  width: 100%;
  max-width: 440px;
  margin: 0 auto var(--space-5);
  border-radius: var(--color-radius-lg);
  filter: drop-shadow(0 14px 28px rgba(42,35,24,0.18));
}

/* ─── PAIN SECTION ─── */
.pain { background: var(--color-surface); }
.pain__grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .pain__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .pain__grid { grid-template-columns: 1fr 1fr 1fr; } }
.pain__card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--color-radius-lg); padding: var(--space-5) var(--space-5); display: flex; gap: var(--space-3); align-items: flex-start; }
.pain__icon { font-size: 1.3em; line-height: 1; flex-shrink: 0; margin-top: 2px; }
.pain__text { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.55; }
.pain__relief { margin-top: var(--space-10); background: var(--color-gold-light); border: 1px solid rgba(184,134,11,0.2); border-radius: var(--color-radius-xl); padding: var(--space-8); text-align: center; }
.pain__relief-title { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-primary); margin-bottom: var(--space-3); }
.pain__relief-text { color: var(--color-text-muted); max-width: 60ch; margin-inline: auto; }

/* ─── WHAT IS ─── */
.whatis__grid { display: grid; gap: var(--space-8); }
@media (min-width: 768px) { .whatis__grid { grid-template-columns: 1fr 1fr; align-items: center; } }
.whatis__label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); margin-bottom: var(--space-3); }
.whatis__title { font-size: var(--text-xl); margin-bottom: var(--space-5); }
.whatis__body { color: var(--color-text-muted); margin-bottom: var(--space-4); }
.whatis__disclaimer { font-size: var(--text-sm); color: var(--color-text-faint); font-style: italic; border-left: 2px solid var(--color-border); padding-left: var(--space-3); margin-top: var(--space-5); }
.feature-list { display: flex; flex-direction: column; gap: var(--space-3); }
.feature-item { display: flex; gap: var(--space-3); align-items: flex-start; padding: var(--space-4); background: var(--color-surface); border-radius: var(--color-radius-lg); border: 1px solid var(--color-border); }
.feature-item__icon { width: 36px; height: 36px; border-radius: var(--color-radius-md); background: var(--color-primary-highlight); display: flex; align-items: center; justify-content: center; font-size: 1.1em; flex-shrink: 0; }
.feature-item__text strong { display: block; font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: 2px; }
.feature-item__text span { font-size: var(--text-sm); color: var(--color-text-muted); }

/* ─── FOR WHO ─── */
.forwho { background: var(--color-surface); }
.forwho__grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .forwho__grid { grid-template-columns: 1fr 1fr; } }
.forwho__card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--color-radius-xl); padding: var(--space-6); }
.forwho__role { font-size: var(--text-sm); font-weight: 700; color: var(--color-primary); margin-bottom: var(--space-2); display: flex; align-items: center; gap: var(--space-2); }
.forwho__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.6; }

/* ─── INCLUDES ─── */
.includes__intro { text-align: center; margin-bottom: var(--space-10); }
.includes__grid { display: grid; gap: var(--space-4); }
@media (min-width: 560px) { .includes__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .includes__grid { grid-template-columns: 1fr 1fr 1fr; } }
.material-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--color-radius-xl); padding: var(--space-5); }
.material-card--bonus { border-style: dashed; opacity: 0.9; }
.material-card__tag { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.material-card__tag--main { color: var(--color-primary); }
.material-card__tag--bonus { color: var(--color-gold); }
.material-card__title { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-2); }
.material-card__desc { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.55; }
.material-card__format { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--color-text-faint); display: flex; align-items: center; gap: var(--space-1); }
.material-card__image {
  width: 100%;
  height: 220px;
  object-fit: contain;
  margin-bottom: var(--space-4);
  border-radius: var(--color-radius-md);
  filter: drop-shadow(0 10px 18px rgba(42,35,24,0.14));
}

@media (max-width: 480px) {
  .hero__mockup {
    max-width: 320px;
  }

  .material-card__image {
    height: 180px;
  }
}
.includes__disclaimer { margin-top: var(--space-8); text-align: center; font-size: var(--text-sm); color: var(--color-text-faint); }

/* ─── BENEFITS ─── */
.benefits { background: var(--color-surface); }
.week-timeline { display: flex; flex-direction: column; gap: var(--space-3); max-width: 640px; margin-inline: auto; }
.week-day { display: grid; grid-template-columns: 100px 1fr; gap: var(--space-4); align-items: start; padding: var(--space-4); background: var(--color-bg); border-radius: var(--color-radius-lg); border: 1px solid var(--color-border); }
.week-day__label { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-primary); padding-top: 2px; }
.week-day__desc { font-size: var(--text-sm); color: var(--color-text-muted); }
.week-day__desc strong { color: var(--color-text); display: block; margin-bottom: 2px; }

/* ─── TRUST STRIP ─── */
.trust-strip { background: var(--color-primary); color: var(--color-text-inverse); padding-block: var(--space-8); }
.trust-strip__grid { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-8); }
.trust-item { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); text-align: center; }
.trust-item__icon { font-size: 1.6em; }
.trust-item__value { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; }
.trust-item__label { font-size: var(--text-xs); opacity: 0.8; max-width: 14ch; }

/* ─── OFFER ─── */
.offer { background: var(--color-bg); }
.offer__box { background: var(--color-surface); border: 2px solid var(--color-primary-highlight); border-radius: var(--color-radius-xl); padding: clamp(var(--space-8), 5vw, var(--space-16)); max-width: 640px; margin-inline: auto; box-shadow: var(--shadow-md); }
.offer__title { font-size: var(--text-xl); text-align: center; margin-bottom: var(--space-4); }
.offer__price-row { text-align: center; margin-bottom: var(--space-6); }
.offer__old-price { text-decoration: line-through; color: var(--color-text-faint); font-size: var(--text-sm); display: block; margin-bottom: var(--space-1); }
.offer__old-price em { font-style: normal; }
.offer__price { font-family: var(--font-display); font-size: clamp(2.5rem, 6vw, 4rem); font-weight: 700; color: var(--color-primary); line-height: 1; }
.offer__price-note { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }
.offer__checklist { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-6); }
.offer__check { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--text-sm); }
.offer__check svg { color: var(--color-success); flex-shrink: 0; margin-top: 2px; }
.offer__cta-wrap { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); }
.offer__security { display: flex; align-items: center; justify-content: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-faint); }
.offer__security svg { color: var(--color-text-faint); }

/* ─── GUARANTEE ─── */
.guarantee { background: var(--color-success-light); border-top: 1px solid rgba(46,107,46,0.15); border-bottom: 1px solid rgba(46,107,46,0.15); padding-block: clamp(var(--space-10), 5vw, var(--space-16)); }
.guarantee__inner { display: grid; gap: var(--space-8); align-items: center; max-width: 680px; margin-inline: auto; text-align: center; }
.guarantee__icon { font-size: 3.5rem; }
.guarantee__title { font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-success); margin-bottom: var(--space-3); }
.guarantee__text { color: var(--color-text-muted); }
.guarantee__note { font-size: var(--text-sm); color: var(--color-text-faint); margin-top: var(--space-4); font-style: italic; }

/* ─── FAQ ─── */
.faq { background: var(--color-surface); }
.faq__list { max-width: 640px; margin-inline: auto; display: flex; flex-direction: column; gap: var(--space-2); }
details { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--color-radius-lg); overflow: hidden; }
details[open] { border-color: var(--color-primary-highlight); }
summary { padding: var(--space-5); cursor: pointer; font-size: var(--text-base); font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); list-style: none; color: var(--color-text); }
summary::-webkit-details-marker { display: none; }
.faq__chevron { width: 20px; height: 20px; color: var(--color-text-faint); transition: transform var(--transition); flex-shrink: 0; }
details[open] .faq__chevron { transform: rotate(180deg); }
.faq__answer { padding: 0 var(--space-5) var(--space-5); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.7; border-top: 1px solid var(--color-divider); padding-top: var(--space-4); }

/* ─── FINAL CTA ─── */
.final-cta { background: linear-gradient(160deg, var(--color-surface) 0%, var(--color-bg) 100%); text-align: center; }
.final-cta__title { font-size: var(--text-2xl); margin-bottom: var(--space-4); }
.final-cta__sub { color: var(--color-text-muted); margin-bottom: var(--space-8); max-width: 50ch; margin-inline: auto; }

/* ─── FOOTER ─── */
.footer { background: var(--color-surface-2); border-top: 1px solid var(--color-divider); padding-block: var(--space-10); text-align: center; }
.footer__text { font-size: var(--text-xs); color: var(--color-text-faint); line-height: 1.7; }
.footer__text a { color: var(--color-text-faint); text-decoration: underline; text-underline-offset: 2px; }
.footer__text a:hover { color: var(--color-text-muted); }

/* ─── SECTION HEADING ─── */
.section-heading { text-align: center; margin-bottom: var(--space-10); }
.section-heading__label { font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); display: block; margin-bottom: var(--space-2); }
.section-heading__title { font-size: var(--text-xl); }
.section-heading__sub { color: var(--color-text-muted); margin-top: var(--space-3); max-width: 58ch; margin-inline: auto; font-size: var(--text-base); }

/* ─── HEADER CTA MOBILE ─── */

@media (max-width: 480px) {
  .header__cta-text { display: none; }
  .header__cta-short { display: inline; }
}
@media (min-width: 481px) {
  .header__cta-short { display: none; }
}

/* ─── RESPONSIVE FINAL ─── */
@media (max-width: 480px) {
  .hero__headline { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .btn--cta { font-size: var(--text-base); padding: var(--space-4) var(--space-8); }
  .trust-strip__grid { gap: var(--space-5); }
  .trust-item__value { font-size: var(--text-base); }
}