/* ============================================================
   MEMBERSHIP PREVIEW SECTION
   ============================================================ */

/* --- Section scaffold --- */

.membership {
  position: relative;
  background-color: var(--color-bg-primary);
  padding-top: 140px;
  padding-bottom: 100px;
  overflow: hidden;
}

/* --- Ghost watermark --- */

.membership__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: clamp(100px, 18vw, 280px);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  opacity: 0.03;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  line-height: 1;
}

/* --- Stats row: section label left, 4 stats right --- */

.membership__stats-row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 80px;
}

.membership__section-label {
  font-family: var(--font-body);
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
  color: var(--color-accent-gold);
  opacity: 0.7;
  white-space: nowrap;
  margin-right: 48px;
  flex-shrink: 0;
}

.membership__stats {
  display: flex;
  align-items: baseline;
  gap: 56px;
}

.membership__stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.membership__stat-number {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent-gold);
  letter-spacing: var(--letter-spacing-heading);
}

.membership__stat-label {
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Body: sticky intro column left + card grid right --- */

.membership__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 80px;
  align-items: start;
}

/* --- Intro column (sticky on scroll) --- */

.membership__intro {
  position: sticky;
  top: calc(var(--navbar-height) + 40px);
}

.membership__accent-line {
  width: 48px;
  height: 2px;
  background-color: var(--color-accent-gold);
  margin-bottom: 24px;
}

.membership__heading {
  font-family: var(--font-heading);
  font-size: var(--font-size-h2);
  font-weight: 700;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading);
  color: var(--color-text-primary);
  margin-bottom: 24px;
}

.membership__subtext {
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  line-height: var(--line-height-body);
  color: var(--color-text-secondary);
}

/* --- Card grid: 2×2 with alternating stagger --- */

.membership__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-card-gap);
  align-items: start;
}

/* --- Gold divider: spans full card-grid width, sits above first card row --- */

.membership__grid::before {
  content: "";
  display: block;
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(201, 168, 76, 0.5) 0%,
    rgba(201, 168, 76, 0.08) 100%
  );
  margin-bottom: 8px;
}

/* Stagger: even cards sit 48px lower — kills symmetric alignment */
.membership__card:nth-child(even) {
  margin-top: 48px;
}

/* --- Card base --- */

.membership__card {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card);
  padding: 36px 32px 28px;
  position: relative;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base);
}

.membership__card:hover {
  border-color: var(--color-card-border-hover);
  transform: translateY(-2px);
}

/* --- Premium tier: gold top border --- */

.membership__card--premium {
  border-top: 2px solid var(--color-accent-gold);
}

.membership__card--premium:hover {
  border-top-color: var(--color-gold-light);
}

/* --- Reveal stagger delay via CSS custom property --- */

.membership__card.reveal {
  transition-delay: calc(var(--stagger, 0) * 0.1s);
}

/* --- Card header --- */

.membership__card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.membership__card-number {
  font-family: var(--font-body);
  font-size: var(--font-size-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.5;
}

.membership__card--premium .membership__card-number {
  color: var(--color-accent-gold);
  opacity: 0.8;
}

.membership__card-range {
  font-family: var(--font-body);
  font-size: var(--font-size-label);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  text-align: right;
}

/* --- Decorative tier icons --- */

.membership__card-icon {
  width: 28px;
  height: 28px;
  background-color: var(--color-accent-gold);
  opacity: 0.55;
  margin-bottom: 16px;
}

.membership__card--premium .membership__card-icon {
  opacity: 0.9;
}

/* Circle — Student */
.membership__card-icon--circle {
  border-radius: 50%;
}

/* Diamond — Young Chef (rotated square) */
.membership__card-icon--diamond {
  width: 18px;
  height: 18px;
  transform: rotate(45deg);
  margin-top: 5px;
  margin-bottom: 22px;
}

/* Star — Culinary Merit */
.membership__card-icon--star {
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
}

/* Shield — Jury */
.membership__card-icon--shield {
  width: 24px;
  height: 28px;
  clip-path: polygon(50% 0%, 100% 16%, 100% 62%, 50% 100%, 0% 62%, 0% 16%);
}

/* --- Card title --- */

.membership__card-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-h4);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  letter-spacing: var(--letter-spacing-heading);
  line-height: var(--line-height-heading);
}

/* --- Benefits list --- */

.membership__card-benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  padding: 0;
  list-style: none;
}

.membership__card-benefits li {
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  line-height: 1.5;
  color: var(--color-text-secondary);
  padding-left: 16px;
  position: relative;
}

/* Small gold dot bullet */
.membership__card-benefits li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 4px;
  height: 4px;
  background-color: var(--color-accent-gold);
  opacity: 0.5;
}

.membership__card--premium .membership__card-benefits li::before {
  opacity: 1;
}

/* --- Card link --- */

.membership__card-link {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--font-size-label);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  text-decoration: none;
  transition:
    color var(--transition-base),
    letter-spacing var(--transition-base);
}

.membership__card-link:hover {
  color: var(--color-gold-light);
  letter-spacing: 0.14em;
}

/* --- CTA row --- */

.membership__cta-row {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 80px;
  padding-top: 64px;
  border-top: 1px solid var(--color-border);
}

.membership__cta-note {
  font-family: var(--font-body);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.membership__cta-note a {
  color: var(--color-accent-gold);
  text-decoration: none;
}

.membership__cta-note a:hover {
  color: var(--color-gold-light);
}

/* === Tablet (≤ 1199px) === */

@media (max-width: 1199px) {
  .membership {
    padding-top: 100px;
    padding-bottom: 80px;
  }

  .membership__stats-row {
    flex-wrap: wrap;
    gap: 24px;
    padding-bottom: 56px;
    margin-bottom: 64px;
  }

  .membership__stats {
    gap: 36px;
  }

  .membership__stat-number {
    font-size: 32px;
  }

  .membership__body {
    grid-template-columns: 240px 1fr;
    gap: 48px;
  }

  .membership__intro {
    top: calc(var(--navbar-height) + 24px);
  }

  .membership__heading {
    font-size: 36px;
  }
}

/* === Mobile (≤ 767px) === */

@media (max-width: 767px) {
  .membership {
    padding-top: var(--spacing-section-mobile);
    padding-bottom: var(--spacing-section-mobile);
  }

  .membership__watermark {
    font-size: 22vw;
    opacity: 0.025;
  }

  .membership__stats-row {
    flex-direction: column;
    gap: 32px;
    padding-bottom: 40px;
    margin-bottom: 48px;
  }

  .membership__section-label {
    margin-right: 0;
  }

  .membership__stats {
    flex-wrap: wrap;
    gap: 24px 32px;
  }

  .membership__stat-number {
    font-size: 28px;
  }

  /* Release sticky on mobile */
  .membership__intro {
    position: static;
  }

  .membership__body {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .membership__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* Remove stagger — single column reads top-to-bottom */
  .membership__card:nth-child(even) {
    margin-top: 0;
  }

  /* Remove per-card reveal delay on mobile */
  .membership__card.reveal {
    transition-delay: 0s;
  }

  .membership__heading {
    font-size: 28px;
  }

  .membership__cta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-top: 48px;
    padding-top: 40px;
  }
}