/* ── Reset & Base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #F8F7F4;
  --bg-alt:    #F0EEE9;
  --ink:        #1A1918;
  --ink-mid:    #5C5A56;
  --ink-light:  #9C9A96;
  --accent:     #B8955A;
  --accent-dim: #D4B98A;
  --line:       #E2E0DA;
  --white:      #FFFFFF;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --max-w:      1100px;
  --max-narrow: 680px;

  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;

  --radius:    3px;
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ── Typography ───────────────────────────────────────────────────────────── */
.section-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 2rem;
}

/* ── Layout ───────────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn:hover {
  background: var(--ink);
  color: var(--white);
}

.btn--sm {
  font-size: 0.82rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius);
}

.btn--lg {
  font-size: 1rem;
  padding: 1rem 2.2rem;
  border-radius: var(--radius);
}

.btn--buy {
  display: block;
  width: 100%;
  font-size: 1.05rem;
  font-weight: 500;
  padding: 1.1rem 2rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
  transition: opacity var(--transition);
  text-align: center;
  margin-top: 0.5rem;
}

.btn--buy:hover {
  opacity: 0.85;
  background: var(--ink);
  color: var(--white);
}

/* ── Nav ──────────────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  position: relative;
}

.hero__label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 600;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.hero__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.18rem);
  color: var(--ink-mid);
  max-width: 500px;
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.7;
}

.hero__cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 3rem;
}

.hero__note {
  font-size: 0.8rem;
  color: var(--ink-light);
  letter-spacing: 0.04em;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: var(--line);
  overflow: hidden;
}

.hero__scroll span {
  display: block;
  width: 1px;
  height: 30px;
  background: var(--ink-mid);
  animation: scroll-line 1.8s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: translateY(-30px); }
  100% { transform: translateY(90px); }
}

/* ── Pain ─────────────────────────────────────────────────────────────────── */
.pain {
  background: var(--bg-alt);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pain .section-title { margin-bottom: 2.5rem; }

.pain__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.pain__item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.3rem 1.4rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background var(--transition);
}

.pain__item:hover { background: var(--bg); }

.pain__item:nth-child(even) { border-right: none; }
.pain__item:nth-last-child(1),
.pain__item:nth-last-child(2) { border-bottom: none; }

.pain__icon {
  color: var(--accent);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 0.3rem;
}

.pain__item p {
  font-size: 0.95rem;
  color: var(--ink-mid);
  line-height: 1.5;
}

.pain__callout {
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
  text-align: center;
  background: var(--white);
}

.pain__callout p {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  line-height: 1.45;
  color: var(--ink);
}

.pain__callout strong { color: var(--accent); }

/* ── About ────────────────────────────────────────────────────────────────── */
.about {
  padding: var(--space-xl) 0;
}

.about__body {
  font-size: 1.08rem;
  color: var(--ink-mid);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* ── Inside ───────────────────────────────────────────────────────────────── */
.inside {
  background: var(--bg-alt);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.inside__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.inside__card {
  padding: 2rem 1.8rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background var(--transition);
}

.inside__card:hover { background: var(--bg); }

.inside__card:nth-child(3n) { border-right: none; }
.inside__card:nth-last-child(1),
.inside__card:nth-last-child(2),
.inside__card:nth-last-child(3) { border-bottom: none; }

.inside__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--accent-dim);
  line-height: 1;
  margin-bottom: 0.8rem;
}

.inside__card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.inside__card p {
  font-size: 0.9rem;
  color: var(--ink-mid);
  line-height: 1.6;
}

/* ── Protocol ─────────────────────────────────────────────────────────────── */
.protocol {
  padding: var(--space-xl) 0;
}

.protocol__weeks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.protocol__week {
  background: var(--white);
  padding: 2rem 2rem;
}

.protocol__week:first-child {
  border-right: 1px solid var(--line);
}

.protocol__week-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.protocol__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.protocol__list li {
  font-size: 0.9rem;
  color: var(--ink-mid);
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 0.8rem;
  line-height: 1.4;
}

.protocol__list li:last-child { border-bottom: none; }

.protocol__list li span {
  font-weight: 500;
  color: var(--ink);
  flex-shrink: 0;
  width: 2.8rem;
  font-size: 0.82rem;
  padding-top: 0.05rem;
}

/* ── Proof ────────────────────────────────────────────────────────────────── */
.proof {
  background: var(--bg-alt);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.proof__card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem 1.8rem;
}

.proof__card p {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 1.2rem;
}

.proof__card p em {
  font-style: italic;
  color: var(--ink);
}

.proof__card cite {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--ink-light);
  letter-spacing: 0.02em;
}

/* ── Buy ──────────────────────────────────────────────────────────────────── */
.buy {
  padding: var(--space-xl) 0;
}

.buy__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.12;
  color: var(--ink);
  margin-bottom: 2.5rem;
}

.buy__title em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.buy__box {
  border: 1.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 2.5rem;
  background: var(--white);
}

.buy__product-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.3rem;
}

.buy__product-meta {
  font-size: 0.82rem;
  color: var(--ink-light);
  letter-spacing: 0.04em;
}

.buy__divider {
  height: 1px;
  background: var(--line);
  margin: 1.8rem 0;
}

.buy__includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.buy__includes li {
  font-size: 0.95rem;
  color: var(--ink-mid);
  line-height: 1.4;
}

.buy__price-row {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.buy__price {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1;
}

.buy__price-note {
  font-size: 0.82rem;
  color: var(--ink-light);
}

.buy__guarantee {
  font-size: 0.82rem;
  color: var(--ink-light);
  text-align: center;
  margin-top: 1.2rem;
  line-height: 1.6;
}

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq {
  background: var(--bg-alt);
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.faq__list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq__item {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.faq__item:last-child { border-bottom: none; }

.faq__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 500;
  color: var(--ink);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}

.faq__q:hover { background: var(--bg); }

.faq__arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--accent);
  transition: transform 0.25s ease;
  display: inline-block;
}

.faq__item.open .faq__arrow {
  transform: rotate(180deg);
}

.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.25s ease;
  padding: 0 1.6rem;
}

.faq__item.open .faq__a {
  max-height: 300px;
  padding: 0 1.6rem 1.4rem;
}

.faq__a p {
  font-size: 0.93rem;
  color: var(--ink-mid);
  line-height: 1.7;
}

/* ── Final CTA ────────────────────────────────────────────────────────────── */
.final-cta {
  padding: var(--space-xl) 0;
  text-align: center;
}

.final-cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 1rem;
}

.final-cta__sub {
  font-size: 1.05rem;
  color: var(--ink-mid);
  margin-bottom: 2rem;
  font-style: italic;
  font-family: var(--font-display);
}

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer {
  background: var(--ink);
  color: var(--bg-alt);
  padding: 2rem 0;
  border-top: 1px solid #2A2825;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.footer__brand {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--bg);
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--ink-light);
}

.footer__disclaimer {
  font-size: 0.75rem;
  color: var(--ink-light);
  width: 100%;
}

/* ── Animations ───────────────────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(18px);
  animation: fade-up 0.8s ease forwards;
}

.fade-in--d1 { animation-delay: 0.1s; }
.fade-in--d2 { animation-delay: 0.25s; }
.fade-in--d3 { animation-delay: 0.4s; }
.fade-in--d4 { animation-delay: 0.65s; }

@keyframes fade-up {
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .inside__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .inside__card:nth-child(3n) { border-right: 1px solid var(--line); }
  .inside__card:nth-child(2n) { border-right: none; }
  .inside__card:nth-last-child(3) { border-bottom: 1px solid var(--line); }

  .proof__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 700px) {
  :root {
    --space-xl: 4.5rem;
    --space-lg: 2.5rem;
  }

  .br-desk { display: none; }

  .hero { min-height: 100svh; padding-top: 5.5rem; }

  .nav__inner { height: 54px; }
  .nav__brand { font-size: 0.95rem; }

  .pain__grid {
    grid-template-columns: 1fr;
  }
  .pain__item { border-right: none; }
  .pain__item:nth-last-child(1) { border-bottom: none; }
  .pain__item:nth-last-child(2) { border-bottom: 1px solid var(--line); }

  .inside__grid {
    grid-template-columns: 1fr;
  }
  .inside__card { border-right: none !important; }
  .inside__card:nth-last-child(1) { border-bottom: none; }
  .inside__card:nth-last-child(2),
  .inside__card:nth-last-child(3) { border-bottom: 1px solid var(--line); }

  .protocol__weeks {
    grid-template-columns: 1fr;
  }
  .protocol__week:first-child {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }

  .buy__box {
    padding: 1.8rem 1.4rem;
  }

  .buy__price-row {
    flex-direction: column;
    gap: 0.3rem;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .footer__copy { order: 2; }
  .footer__disclaimer { order: 3; }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(2.6rem, 13vw, 4rem); }

  .btn--lg {
    width: 100%;
    max-width: 340px;
    padding: 1rem 1.5rem;
  }

  .section-title { font-size: 1.75rem; }

  .faq__q { padding: 1.1rem 1.2rem; font-size: 0.9rem; }
  .faq__a { padding: 0 1.2rem; }
  .faq__item.open .faq__a { padding: 0 1.2rem 1.2rem; }
}