/* =============================================
   FOUNDING ASSEMBLY PAGE — Exclusive, Mission-Driven
   ============================================= */

/* =============================================
   HERO: THE INVERSE PITCH
   ============================================= */
.assembly-hero {
  padding: 140px 0 100px;
  background: linear-gradient(180deg, var(--bone) 0%, var(--bone-warm) 100%);
  position: relative;
}

.assembly-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(212, 168, 67, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.assembly-hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}

.assembly-hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin: 20px 0 28px;
  letter-spacing: -0.02em;
}

.assembly-hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: var(--ink-70);
  max-width: 680px;
  margin-bottom: 40px;
}

.assembly-hero-note {
  background: white;
  border: 1px solid var(--bronze);
  border-radius: var(--radius-sm);
  padding: 24px 28px;
  max-width: 520px;
}

.assembly-hero-note-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 10px;
}

.assembly-hero-note p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-70);
  margin: 0;
}

/* =============================================
   THE MODEL: COMPARISON
   ============================================= */
.assembly-model {
  padding: 100px 0;
  background: white;
}

.assembly-model-header {
  text-align: center;
  margin-bottom: 60px;
}

.assembly-model-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--ink);
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.assembly-model-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 560px;
  margin: 20px auto 0;
}

.assembly-model-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto 60px;
}

.assembly-model-col {
  padding: 40px;
  border-radius: var(--radius-sm);
}

.assembly-model-col--old {
  background: var(--bone);
  border: 1px solid var(--hairline);
}

.assembly-model-col--new {
  background: linear-gradient(180deg, rgba(212, 168, 67, 0.08) 0%, rgba(212, 168, 67, 0.02) 100%);
  border: 1px solid var(--bronze);
}

.assembly-model-col-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.assembly-model-col--new .assembly-model-col-title {
  color: var(--bronze);
  border-bottom-color: var(--bronze-30);
}

.assembly-model-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.assembly-model-list li {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-70);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-light);
}

.assembly-model-col--old .assembly-model-list li {
  text-decoration: line-through;
  color: var(--ink-40);
}

.assembly-model-col--new .assembly-model-list li {
  color: var(--ink-80);
  font-weight: 500;
}

.assembly-model-list li:last-child {
  border-bottom: none;
}

.assembly-model-principle {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.assembly-model-quote {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  font-style: italic;
  margin: 0;
  padding: 0;
  border: none;
}

/* =============================================
   SELECTION CRITERIA
   ============================================= */
.assembly-criteria {
  padding: 100px 0;
  background: var(--bone);
}

.assembly-criteria-header {
  text-align: center;
  margin-bottom: 60px;
}

.assembly-criteria-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--ink);
  margin-top: 16px;
}

.assembly-criteria-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 600px;
  margin: 20px auto 0;
}

.assembly-criteria-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.assembly-criteria-card {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.assembly-criteria-card:hover {
  border-color: var(--bronze);
  box-shadow: 0 8px 32px rgba(8, 8, 8, 0.06);
}

.assembly-criteria-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--bronze);
  flex-shrink: 0;
}

.assembly-criteria-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

.assembly-criteria-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
}

/* =============================================
   COLLAPSIBLE SECTIONS (details/summary)
   ============================================= */
.assembly-collapsible {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: white;
  transition: border-color var(--duration-normal) var(--ease-smooth),
              box-shadow var(--duration-normal) var(--ease-smooth);
}

.assembly-collapsible:hover {
  border-color: var(--bronze);
}

.assembly-collapsible[open] {
  border-color: var(--bronze);
  box-shadow: 0 8px 32px rgba(8, 8, 8, 0.06);
}

.assembly-collapsible-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  padding: 40px;
  cursor: pointer;
  list-style: none;
}

.assembly-collapsible-summary::-webkit-details-marker {
  display: none;
}

.assembly-collapsible-summary::marker {
  display: none;
  content: '';
}

.assembly-collapsible-header {
  flex: 1;
}

.assembly-collapsible-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  color: var(--ink);
  margin: 12px 0 16px;
}

.assembly-collapsible-preview {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 600px;
  margin: 0;
}

.assembly-collapsible-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bone);
  border-radius: 50%;
  color: var(--bronze);
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-smooth),
              background var(--duration-normal) var(--ease-smooth);
  margin-top: 8px;
}

.assembly-collapsible[open] .assembly-collapsible-icon {
  transform: rotate(180deg);
  background: var(--bronze);
  color: white;
}

.assembly-collapsible-content {
  padding: 0 40px 40px;
  animation: collapsibleOpen var(--duration-normal) var(--ease-smooth);
}

@keyframes collapsibleOpen {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Dark variant (for Charter section) */
.assembly-collapsible--dark {
  background: transparent;
  border-color: var(--ink-20);
}

.assembly-collapsible--dark:hover {
  border-color: var(--bronze);
}

.assembly-collapsible--dark[open] {
  border-color: var(--bronze);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.assembly-collapsible-title--light {
  color: var(--bone);
}

.assembly-collapsible-preview--light {
  color: var(--bone-deep);
}

.assembly-collapsible-icon--light {
  background: var(--ink-10);
  color: var(--bronze);
}

.assembly-collapsible--dark[open] .assembly-collapsible-icon--light {
  background: var(--bronze);
  color: white;
}

/* Hide the duplicate badge in collapsed state for charter */
.assembly-collapsible--dark .assembly-charter-badge {
  display: none;
}

.assembly-charter-inner-content {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}

/* =============================================
   REQUIREMENTS
   ============================================= */
.assembly-requirements {
  padding: 100px 0;
  background: white;
}

.assembly-requirements-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 560px;
  margin: 0 auto 40px;
  text-align: center;
}

.assembly-requirements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.assembly-requirement {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--bone);
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
}

.assembly-requirement-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 50%;
  color: var(--bronze);
  border: 1px solid var(--hairline);
  flex-shrink: 0;
}

.assembly-requirement-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.assembly-requirement-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
}

/* =============================================
   THE CHARTER
   ============================================= */
.assembly-charter {
  padding: 100px 0;
  background: var(--ink);
}

.assembly-charter-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.assembly-charter-badge {
  display: inline-block;
  background: var(--bronze);
  color: white;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.assembly-charter-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 600;
  color: var(--bone);
  margin-bottom: 20px;
}

.assembly-charter-intro {
  font-size: 16px;
  line-height: 1.7;
  color: var(--bone-deep);
  margin-bottom: 40px;
}

.assembly-charter-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  max-width: 540px;
  margin: 0 auto 32px;
}

.assembly-charter-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone);
}

.assembly-charter-check {
  color: var(--bronze);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.assembly-charter-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--bone-deep);
  font-style: italic;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--ink-20);
}

/* =============================================
   OUTCOMES (WHAT JOINING MEANS)
   ============================================= */
.assembly-outcomes {
  padding: 100px 0;
  background: var(--bone);
}

.assembly-outcomes-header {
  text-align: center;
  margin-bottom: 60px;
}

.assembly-outcomes-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--ink);
  margin-top: 16px;
}

.assembly-outcomes-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 520px;
  margin: 20px auto 0;
}

.assembly-outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.assembly-outcome {
  padding: 32px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline);
  transition: all var(--duration-normal) var(--ease-smooth);
}

.assembly-outcome:hover {
  border-color: var(--hairline-dark);
  transform: translateY(-2px);
}

.assembly-outcome-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.assembly-outcome-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
}

/* =============================================
   THE PROCESS
   ============================================= */
.assembly-process {
  padding: 100px 0;
  background: white;
}

.assembly-process-header {
  text-align: center;
  margin-bottom: 60px;
}

.assembly-process-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--ink);
  margin-top: 16px;
}

.assembly-process-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-60);
  max-width: 520px;
  margin: 20px auto 0;
}

.assembly-process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

.assembly-process-steps::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 40px;
  width: 2px;
  background: linear-gradient(180deg, var(--bronze) 0%, var(--hairline) 100%);
}

.assembly-process-step {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  position: relative;
}

.assembly-process-num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border: 2px solid var(--bronze);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--bronze);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.assembly-process-step-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.assembly-process-step-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-60);
}

/* =============================================
   ASSEMBLY STATUS
   ============================================= */
.assembly-status {
  padding: 80px 0;
  background: var(--bone);
}

.assembly-status-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 48px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--bronze);
  box-shadow: 0 4px 24px rgba(212, 168, 67, 0.08);
}

.assembly-status-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 20px;
}

.assembly-status-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-60);
  margin-bottom: 16px;
}

.assembly-status-text:last-child {
  margin-bottom: 0;
}

/* =============================================
   EXPRESSION OF INTEREST
   ============================================= */
.assembly-interest {
  padding: 100px 0;
}

.assembly-interest-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.assembly-interest-header {
  text-align: center;
  margin-bottom: 60px;
}

.assembly-interest-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  color: var(--bone);
  margin-top: 16px;
}

.assembly-interest-sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--bone-deep);
  max-width: 560px;
  margin: 16px auto 0;
}

.assembly-interest-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.assembly-interest-context-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--bone);
  margin-bottom: 28px;
}

.assembly-interest-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.assembly-interest-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone);
}

.assembly-interest-item-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-10);
  border-radius: 50%;
  color: var(--bronze);
  flex-shrink: 0;
}

.assembly-interest-contact {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--ink-20);
}

.assembly-interest-contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--bone-deep);
  margin-bottom: 8px;
}

.assembly-interest-contact-email {
  font-size: 16px;
  color: var(--bronze);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-smooth);
}

.assembly-interest-contact-email:hover {
  color: var(--bronze-light);
}

.assembly-interest-form-wrap {
  background: var(--ink-04);
  border-radius: var(--radius-sm);
  padding: 40px;
  border: 1px solid var(--ink-10);
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--bone-deep);
  margin-top: 6px;
}

.form-disclaimer {
  font-size: 12px;
  line-height: 1.6;
  color: var(--bone-deep);
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--ink-10);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .assembly-model-comparison {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .assembly-criteria-grid,
  .assembly-requirements-grid {
    grid-template-columns: 1fr;
  }

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

  .assembly-interest-grid {
    grid-template-columns: 1fr;
  }

  .assembly-interest-context {
    order: 2;
  }
}

@media (max-width: 768px) {
  .assembly-hero {
    padding: 100px 0 60px;
  }

  .assembly-outcomes-grid {
    grid-template-columns: 1fr;
  }

  .assembly-interest-form-wrap {
    padding: 28px 20px;
  }

  .assembly-model-col {
    padding: 28px;
  }

  .assembly-status-inner {
    padding: 32px 24px;
  }

  .assembly-process-steps::before {
    left: 15px;
  }

  .assembly-process-num {
    width: 32px;
    height: 32px;
    font-size: 10px;
  }

  .assembly-collapsible-summary {
    padding: 28px 24px;
  }

  .assembly-collapsible-content {
    padding: 0 24px 28px;
  }
}

@media (max-width: 480px) {
  .assembly-hero-title {
    font-size: 28px;
  }

  .assembly-criteria-card,
  .assembly-requirement {
    flex-direction: column;
    gap: 16px;
  }

  .assembly-charter-items {
    padding: 0 12px;
  }
}