/* ============================================================
   page-membership.css — Membership / sales page styles
   Sections: Hero · Problem · Quote · Solution · Features ·
             For · Compositions · Pricing · Gift · Reassurance · Final CTA
   Requires: tokens.css, components.css
   ============================================================ */

/* ============================================================
   Shared section eyebrow label
   ============================================================ */

.mem-section-eyebrow {
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  color: var(--ac-muted);
}

/* ============================================================
   Hero — dark, full-bleed, CTAs above fold
   ============================================================ */

.mem-hero {
  background-color: var(--ac-ink);
  padding: var(--ac-sp-10) var(--ac-page-pad) var(--ac-sp-7);
}

.mem-hero__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
}

.mem-hero__eyebrow {
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  color: oklch(68% 0.01 60);
  margin-bottom: var(--ac-sp-5);
}

.mem-hero__headline {
  font-size: var(--ac-text-h1);
  font-weight: 300;
  line-height: var(--ac-lh-h1);
  letter-spacing: var(--ac-ls-h1);
  color: var(--ac-bg);
  max-width: 820px;
  margin-bottom: var(--ac-sp-6);
}

.mem-hero__sub {
  font-size: var(--ac-text-body-lg);
  color: oklch(72% 0.008 70);
  max-width: 56ch;
  line-height: var(--ac-lh-body);
  margin-bottom: var(--ac-sp-7);
}

.mem-hero__actions {
  display: flex;
  align-items: center;
  gap: var(--ac-sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--ac-sp-7);
}

.mem-hero__trust {
  display: flex;
  align-items: center;
  gap: var(--ac-sp-3);
  flex-wrap: wrap;
}

.mem-hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--ac-sp-2);
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  color: oklch(68% 0.01 60);
}

.mem-hero__trust-item svg {
  color: var(--ac-accent);
  flex-shrink: 0;
}

.mem-hero__trust-sep {
  color: oklch(40% 0.008 60);
  user-select: none;
}

/* ============================================================
   Two-column section layout (shared by Problem, Solution, For)
   ============================================================ */

.mem-problem__inner,
.mem-solution__inner,
.mem-for__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-9) var(--ac-page-pad);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--ac-sp-8);
  align-items: start;
  border-top: 1px solid var(--ac-hair);
}

.mem-problem__label,
.mem-solution__label,
.mem-for__label {
  padding-top: 6px;
}

.mem-problem__heading,
.mem-solution__heading,
.mem-for__heading {
  font-size: var(--ac-text-h2);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h2);
  margin-bottom: var(--ac-sp-6);
  max-width: 22ch;
}

.mem-problem__body,
.mem-solution__body,
.mem-for__body {
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-5);
}

.mem-problem__body p,
.mem-solution__body p {
  font-size: var(--ac-text-body);
  line-height: var(--ac-lh-body);
  color: var(--ac-ink);
  max-width: 68ch;
}

.mem-problem__callout {
  font-size: var(--ac-text-body-lg) !important;
  font-weight: 300;
  font-style: italic;
  color: var(--ac-ink) !important;
  border-left: 2px solid var(--ac-accent);
  padding-left: var(--ac-sp-5);
  margin-top: var(--ac-sp-3);
}

/* ============================================================
   Pull quote (dark band)
   ============================================================ */

.mem-quote {
  background-color: var(--ac-ink);
  padding: var(--ac-sp-9) var(--ac-page-pad);
}

.mem-quote__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  text-align: center;
}

.mem-quote__text {
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ac-bg);
  max-width: 22em;
  margin: 0 auto;
}

/* ============================================================
   Features grid
   ============================================================ */

.mem-features {
  border-top: 1px solid var(--ac-hair);
}

.mem-features__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-9) var(--ac-page-pad);
}

.mem-features__heading {
  font-size: var(--ac-text-h2);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h2);
  margin-bottom: var(--ac-sp-8);
}

.mem-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: var(--ac-hair);
  border: 1px solid var(--ac-hair);
}

.mem-feature {
  background-color: var(--ac-bg);
  padding: var(--ac-sp-7) var(--ac-sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-4);
}

.mem-feature__icon {
  width: 32px;
  height: 32px;
  color: var(--ac-accent);
  flex-shrink: 0;
}

.mem-feature__title {
  font-size: var(--ac-text-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ac-ink);
}

.mem-feature__desc {
  font-size: var(--ac-text-body-sm);
  color: var(--ac-muted);
  line-height: var(--ac-lh-body);
  max-width: 36ch;
}

/* ============================================================
   Who it's for
   ============================================================ */

.mem-for__body p {
  font-size: var(--ac-text-body);
  line-height: var(--ac-lh-body);
  color: var(--ac-ink);
  max-width: 68ch;
}

.mem-for__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-4);
  margin-top: var(--ac-sp-2);
}

.mem-for__item {
  display: flex;
  align-items: flex-start;
  gap: var(--ac-sp-4);
  font-size: var(--ac-text-body);
  line-height: var(--ac-lh-body);
  color: var(--ac-ink);
}

.mem-for__item svg {
  color: var(--ac-accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.mem-for__item strong {
  font-weight: 600;
}

.mem-for__action {
  margin-top: var(--ac-sp-3);
}

/* ============================================================
   Compositions chip grid — 3D flip cards
   ============================================================ */

.mem-compositions {
  border-top: 1px solid var(--ac-hair);
}

.mem-compositions__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-7) var(--ac-page-pad);
}

.mem-compositions__header {
  margin-bottom: var(--ac-sp-7);
}

.mem-compositions__heading {
  font-size: var(--ac-text-h2);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h2);
  margin-bottom: var(--ac-sp-4);
}

.mem-compositions__sub {
  font-size: var(--ac-text-body);
  color: var(--ac-muted);
  max-width: 52ch;
}

.mem-compositions__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background-color: var(--ac-hair);
  border: 1px solid var(--ac-hair);
}

/* ---- Flip card outer wrapper ---- */
.mem-comp-chip {
  aspect-ratio: 830 / 580;
  perspective: 800px;
  text-decoration: none;
  display: block;
  overflow: hidden;
  cursor: default;
}

/* ---- Rotating inner container ---- */
.mem-comp-chip__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 480ms cubic-bezier(0.4, 0.2, 0.2, 1);
}

/* Stagger: hover anywhere on the grid triggers all cards sequentially */
.mem-compositions__grid:hover .mem-comp-chip:nth-child(1)  .mem-comp-chip__inner { transition-delay:   0ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(2)  .mem-comp-chip__inner { transition-delay:  40ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(3)  .mem-comp-chip__inner { transition-delay:  80ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(4)  .mem-comp-chip__inner { transition-delay: 120ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(5)  .mem-comp-chip__inner { transition-delay: 160ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(6)  .mem-comp-chip__inner { transition-delay: 200ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(7)  .mem-comp-chip__inner { transition-delay: 240ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(8)  .mem-comp-chip__inner { transition-delay: 280ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(9)  .mem-comp-chip__inner { transition-delay: 320ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(10) .mem-comp-chip__inner { transition-delay: 360ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(11) .mem-comp-chip__inner { transition-delay: 400ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(12) .mem-comp-chip__inner { transition-delay: 440ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(13) .mem-comp-chip__inner { transition-delay: 480ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(14) .mem-comp-chip__inner { transition-delay: 520ms; transform: rotateY(180deg); }
.mem-compositions__grid:hover .mem-comp-chip:nth-child(15) .mem-comp-chip__inner { transition-delay: 560ms; transform: rotateY(180deg); }

/* ---- Shared face styles ---- */
.mem-comp-chip__front,
.mem-comp-chip__back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ---- Front face ---- */
.mem-comp-chip__front {
  background-color: var(--ac-bg);
  padding: var(--ac-sp-5) var(--ac-sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-2);
}

.mem-comp-chip__number {
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  color: var(--ac-muted);
}

.mem-comp-chip__name {
  font-size: var(--ac-text-body-sm);
  font-weight: 500;
  color: var(--ac-ink);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.mem-comp-chip__badge {
  display: inline-block;
  font-family: var(--ac-font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 2px 6px;
  border: 1px solid var(--ac-accent);
  color: var(--ac-accent);
  align-self: flex-start;
  margin-top: var(--ac-sp-1);
}

.mem-comp-chip__lock {
  color: var(--ac-muted);
  margin-top: var(--ac-sp-1);
}

.mem-comp-chip--locked .mem-comp-chip__name {
  color: var(--ac-muted);
}

/* ---- Back face ---- */
.mem-comp-chip__back {
  transform: rotateY(180deg);
  overflow: hidden;
  position: relative;
}

.mem-comp-chip__back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mem-comp-chip__back-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--ac-sp-3) var(--ac-sp-4);
  background: linear-gradient(to top, oklch(18% 0.012 60 / 0.72) 0%, transparent 100%);
  font-size: var(--ac-text-body-sm);
  font-weight: 500;
  color: #fff;
  letter-spacing: -0.01em;
}

/* ============================================================
   Pricing
   ============================================================ */

.mem-pricing {
  border-top: 1px solid var(--ac-hair);
  background-color: var(--ac-paper);
}

.mem-pricing__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-9) var(--ac-page-pad);
}

.mem-pricing__heading {
  font-size: var(--ac-text-h1);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h1);
  text-align: center;
  margin-bottom: var(--ac-sp-4);
}

.mem-pricing__sub {
  font-size: var(--ac-text-body);
  color: var(--ac-muted);
  text-align: center;
  max-width: 52ch;
  margin: 0 auto var(--ac-sp-9);
  line-height: var(--ac-lh-body);
}

.mem-pricing__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ac-sp-5);
  max-width: 900px;
  margin: 0 auto;
}

.mem-pricing-card {
  background-color: var(--ac-bg);
  border: 1px solid var(--ac-hair);
  padding: var(--ac-sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-5);
  transition: box-shadow 250ms var(--ac-ease), transform 250ms var(--ac-ease);
}

.mem-pricing-card:hover {
  box-shadow: 0 4px 20px oklch(18% 0.012 60 / 0.08);
  transform: translateY(-2px);
}

.mem-pricing-card--featured {
  border-color: var(--ac-ink);
  position: relative;
}

.mem-pricing-card__badge {
  display: inline-block;
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  padding: 4px 10px;
  background-color: var(--ac-ink);
  color: var(--ac-bg);
  align-self: flex-start;
}

.mem-pricing-card__badge--neutral {
  background-color: transparent;
  border: 1px solid var(--ac-hair);
  color: var(--ac-muted);
}

.mem-pricing-card__name {
  font-size: var(--ac-text-h3);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h3);
  color: var(--ac-ink);
}

.mem-pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: var(--ac-sp-3);
}

.mem-pricing-card__amount {
  font-family: var(--ac-font-mono);
  font-size: 48px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ac-ink);
  line-height: 1;
}

.mem-pricing-card__period {
  font-size: var(--ac-text-body-sm);
  color: var(--ac-muted);
}

.mem-pricing-card__desc {
  font-size: var(--ac-text-body-sm);
  color: var(--ac-muted);
  line-height: var(--ac-lh-body);
  max-width: 36ch;
}

.mem-pricing-card__perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-3);
  margin-top: var(--ac-sp-2);
  padding-top: var(--ac-sp-5);
  border-top: 1px solid var(--ac-hair);
}

.mem-pricing-card__perks li {
  font-size: var(--ac-text-body-sm);
  color: var(--ac-ink);
  padding-left: var(--ac-sp-5);
  position: relative;
}

.mem-pricing-card__perks li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--ac-accent);
  font-weight: 600;
}

.mem-pricing__note {
  text-align: center;
  margin-top: var(--ac-sp-7);
  font-size: var(--ac-text-body-sm);
  color: var(--ac-muted);
}

.mem-pricing__note a {
  color: var(--ac-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============================================================
   Gift card
   ============================================================ */

.mem-gift {
  border-top: 1px solid var(--ac-hair);
}

.mem-gift__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-9) var(--ac-page-pad);
}

.mem-gift__body {
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-5);
  max-width: 560px;
}

.mem-gift__heading {
  font-size: var(--ac-text-h2);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h2);
}

.mem-gift__body p {
  font-size: var(--ac-text-body);
  color: var(--ac-muted);
  line-height: var(--ac-lh-body);
  max-width: 56ch;
}

/* ============================================================
   Reassurance — 3 columns
   ============================================================ */

.mem-reassurance {
  border-top: 1px solid var(--ac-hair);
  background-color: var(--ac-paper);
}

.mem-reassurance__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  padding: var(--ac-sp-9) var(--ac-page-pad);
}

.mem-reassurance__heading {
  font-size: var(--ac-text-h2);
  font-weight: 300;
  letter-spacing: var(--ac-ls-h2);
  margin-bottom: var(--ac-sp-8);
}

.mem-reassurance__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ac-sp-8);
}

.mem-reassurance-item {
  display: flex;
  flex-direction: column;
  gap: var(--ac-sp-4);
}

.mem-reassurance-item__icon {
  width: 32px;
  height: 32px;
  color: var(--ac-accent);
  flex-shrink: 0;
}

.mem-reassurance-item__title {
  font-size: var(--ac-text-body);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ac-ink);
}

.mem-reassurance-item__desc {
  font-size: var(--ac-text-body-sm);
  color: var(--ac-muted);
  line-height: var(--ac-lh-body);
  max-width: 32ch;
}

/* ============================================================
   Final CTA — dark
   ============================================================ */

.mem-final-cta {
  background-color: var(--ac-ink);
  padding: var(--ac-sp-10) var(--ac-page-pad);
}

.mem-final-cta__inner {
  max-width: var(--ac-max-width);
  margin: 0 auto;
  text-align: center;
}

.mem-final-cta__eyebrow {
  font-family: var(--ac-font-mono);
  font-size: var(--ac-text-label);
  font-weight: 500;
  letter-spacing: var(--ac-ls-label);
  text-transform: uppercase;
  color: oklch(68% 0.01 60);
  margin-bottom: var(--ac-sp-5);
}

.mem-final-cta__heading {
  font-size: var(--ac-text-h1);
  font-weight: 300;
  line-height: var(--ac-lh-h1);
  letter-spacing: var(--ac-ls-h1);
  color: var(--ac-bg);
  margin-bottom: var(--ac-sp-7);
}

.mem-final-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--ac-sp-4);
  flex-wrap: wrap;
}

/* ============================================================
   Responsive — tablet (≤ 1024px)
   ============================================================ */

@media (max-width: 1024px) {
  .mem-compositions__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================================
   Responsive — mobile (≤ 768px)
   ============================================================ */

@media (max-width: 768px) {

  .mem-hero {
    padding: var(--ac-sp-8) var(--ac-page-pad-mobile) var(--ac-sp-8);
  }

  .mem-hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .mem-hero__actions .ac-btn--lg {
    width: 100%;
    max-width: 340px;
  }

  .mem-hero__trust {
    gap: var(--ac-sp-2);
  }

  .mem-hero__trust-sep {
    display: none;
  }

  .mem-problem__inner,
  .mem-solution__inner,
  .mem-for__inner {
    grid-template-columns: 1fr;
    gap: var(--ac-sp-5);
    padding: var(--ac-sp-8) var(--ac-page-pad-mobile);
  }

  .mem-features__inner,
  .mem-compositions__inner,
  .mem-pricing__inner,
  .mem-gift__inner,
  .mem-reassurance__inner {
    padding: var(--ac-sp-8) var(--ac-page-pad-mobile);
  }

  .mem-quote,
  .mem-final-cta {
    padding: var(--ac-sp-8) var(--ac-page-pad-mobile);
  }

  .mem-features__grid {
    grid-template-columns: 1fr;
  }

  .mem-compositions__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .mem-pricing__cards {
    grid-template-columns: 1fr;
  }

  .mem-reassurance__grid {
    grid-template-columns: 1fr;
    gap: var(--ac-sp-6);
  }

  .mem-final-cta__actions {
    flex-direction: column;
    align-items: center;
  }

  .mem-final-cta__actions .ac-btn--lg {
    width: 100%;
    max-width: 320px;
  }

}

@media (max-width: 480px) {
  .mem-compositions__grid {
    grid-template-columns: 1fr;
  }

  .mem-pricing-card {
    padding: var(--ac-sp-6);
  }
}