/* =============================================
   READINESS INSTITUTE PAGE
   ============================================= */
.institute-hero {
  background: var(--bg);
  padding: 140px 0 80px;
  text-align: center;
}
.institute-hero-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 64px);
  color: var(--primary-deep);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.institute-hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =============================================
   RESEARCH & PUBLICATIONS
   ============================================= */
.institute-publications {
  background: var(--bone);
  padding: 100px 0;
}
.institute-section-sub {
  text-align: center;
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: -32px auto 48px;
  line-height: 1.7;
}

.publications-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.publication-card {
  background: white;
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--hairline);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.publication-card:hover {
  border-color: var(--hairline-dark);
  box-shadow: 0 8px 32px var(--shadow-neutral);
}
.publication-card--open {
  border-color: var(--bronze);
}

.publication-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.publication-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--bone);
  background: var(--accent);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
}
.publication-badge--manifesto {
  background: var(--bronze);
}
.publication-badge--research {
  background: var(--primary-deep);
}
.publication-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-30);
}

.publication-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: var(--tracking-tight);
}
.publication-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.publication-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.publication-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}
.publication-toggle:hover {
  background: var(--ink-90);
  transform: translateY(-1px);
}
.publication-toggle--active {
  background: var(--bronze);
}
.publication-toggle--active:hover {
  background: var(--bronze);
}
.publication-toggle-icon {
  transition: transform 0.3s;
}
.publication-toggle--active .publication-toggle-icon {
  transform: rotate(180deg);
}

.publication-download {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.publication-download:hover {
  gap: 10px;
}

/* PDF Viewer */
.publication-viewer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.5s ease, opacity 0.3s, margin-top 0.3s, padding 0.3s;
  margin-top: 0;
}
.publication-viewer--open {
  max-height: 75vh;
  opacity: 1;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.publication-embed {
  width: 100%;
  height: 70vh;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--bone);
}

/* Toolkits */
.institute-toolkits {
  background: white;
  padding: 100px 0;
}
.institute-section-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--text-primary);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

.institute-resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.institute-resource-card {
  background: var(--off-white);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--border-light);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.institute-resource-card:hover {
  border-color: var(--hairline-dark);
}
.institute-resource-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-30);
  margin-bottom: 16px;
  display: block;
}
.institute-resource-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.institute-resource-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}
.institute-resource-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.institute-resource-link:hover { gap: 10px; }

/* Training Modules */
.institute-training {
  background: var(--off-white);
  padding: 100px 0;
}
.institute-training-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.institute-training-card {
  background: white;
  border-radius: 20px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 4px 24px var(--shadow-neutral);
  border: 1px solid transparent;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
}
.institute-training-card:hover {
  border-color: var(--hairline-dark);
}
.institute-training-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-30);
  margin-bottom: 20px;
  display: block;
}
.institute-training-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.institute-training-text {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* White Papers */
.institute-papers {
  background: white;
  padding: 100px 0;
}
.institute-papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.institute-paper-card {
  background: var(--off-white);
  border-radius: 16px;
  padding: 28px;
  border: 1px solid var(--border-light);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.institute-paper-card:hover {
  border-color: var(--hairline-dark);
}
.institute-paper-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-30);
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.institute-paper-status {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-50);
}
.institute-paper-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.institute-paper-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}
.institute-paper-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* CTA */
.institute-cta {
  background: var(--primary-deep);
  padding: 80px 0;
  text-align: center;
}
.institute-cta-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.5vw, 40px);
  color: white;
  font-weight: 700;
  margin-bottom: 16px;
}
.institute-cta-text {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}

/* =============================================
   SPONSOR SECTION
   ============================================= */
.sponsor-section {
  padding: 140px 0;
  margin-bottom: 80px;
}
.sponsor-inner {
  max-width: 1000px;
  margin: 0 auto;
}
.sponsor-header {
  text-align: center;
  margin-bottom: 64px;
}
.sponsor-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4.5vw, 50px);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 16px;
}
.sponsor-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.5);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

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

.sponsor-benefits {
  padding: 40px 0;
}
.sponsor-benefits-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--bone-deep);
  margin-bottom: 32px;
}
.sponsor-benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.sponsor-benefits-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.sponsor-benefit-num {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  color: var(--bronze);
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sponsor-benefits-list strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: white;
  margin-bottom: 4px;
}
.sponsor-benefits-list p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin: 0;
}

.sponsor-form-wrap {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 48px;
}

/* =============================================
   RESPONSIVE STYLES
   ============================================= */

/* Tablets (968px and below) */
@media (max-width: 968px) {
  .institute-hero {
    padding: 120px 0 60px;
  }
  .institute-publications,
  .institute-toolkits,
  .institute-training,
  .institute-papers {
    padding: 80px 0;
  }
  .publication-card {
    padding: 28px;
  }
  .publication-viewer--open {
    max-height: 60vh;
  }
  .publication-embed {
    height: 55vh;
  }
  .institute-section-title {
    margin-bottom: 36px;
  }
  .institute-training-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sponsor-section {
    padding: 100px 0;
  }
  .sponsor-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .sponsor-benefits {
    padding: 0;
  }
  .sponsor-header {
    margin-bottom: 48px;
  }
}

/* Tablets Portrait (768px and below) */
@media (max-width: 768px) {
  .institute-hero {
    padding: 110px 0 50px;
  }
  .institute-hero-sub {
    font-size: 16px;
  }
  .institute-publications,
  .institute-toolkits,
  .institute-training,
  .institute-papers {
    padding: 60px 0;
  }
  .institute-section-sub {
    font-size: 15px;
    margin-bottom: 36px;
  }
  .publication-title {
    font-size: 18px;
  }
  .publication-desc {
    font-size: 13px;
  }
  .institute-resources-grid {
    gap: 16px;
  }
  .institute-resource-card {
    padding: 24px;
  }
  .institute-training-card {
    padding: 28px 24px;
  }
  .institute-cta {
    padding: 60px 0;
  }
  .sponsor-section {
    padding: 80px 0;
  }
  .sponsor-title {
    font-size: clamp(28px, 5vw, 40px);
  }
}

/* Mobile (640px and below) */
@media (max-width: 640px) {
  .institute-hero {
    padding: 100px 0 40px;
  }
  .institute-hero-title {
    font-size: clamp(28px, 7vw, 36px);
  }
  .institute-hero-sub {
    font-size: 15px;
  }
  .institute-publications,
  .institute-toolkits,
  .institute-training,
  .institute-papers {
    padding: 48px 0;
  }
  .institute-section-sub {
    font-size: 14px;
    margin: -24px auto 32px;
  }
  .publications-grid {
    gap: 16px;
  }
  .publication-card {
    padding: 20px;
    border-radius: 12px;
  }
  .publication-badge {
    font-size: 8px;
    padding: 4px 10px;
  }
  .publication-title {
    font-size: 16px;
  }
  .publication-desc {
    font-size: 13px;
    margin-bottom: 16px;
  }
  .publication-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .publication-toggle {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }
  .publication-viewer--open {
    max-height: 50vh;
  }
  .publication-embed {
    height: 45vh;
  }
  .sponsor-section {
    margin-bottom: 60px;
  }
  .institute-section-title {
    font-size: clamp(22px, 5vw, 28px);
    margin-bottom: 28px;
  }
  .institute-resources-grid {
    grid-template-columns: 1fr;
  }
  .institute-resource-card {
    padding: 20px;
    border-radius: 12px;
  }
  .institute-resource-title {
    font-size: 15px;
  }
  .institute-resource-desc {
    font-size: 13px;
  }
  .institute-training-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .institute-training-card {
    padding: 24px 20px;
    border-radius: 16px;
  }
  .institute-training-title {
    font-size: 16px;
  }
  .institute-training-text {
    font-size: 13px;
  }
  .institute-papers-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .institute-paper-card {
    flex-direction: column;
    padding: 20px;
    border-radius: 12px;
    gap: 16px;
  }
  .institute-paper-title {
    font-size: 14px;
  }
  .institute-paper-desc {
    font-size: 12px;
  }
  .institute-cta {
    padding: 48px 0;
  }
  .institute-cta-title {
    font-size: clamp(22px, 5vw, 28px);
  }
  .institute-cta-text {
    font-size: 14px;
  }
  .sponsor-section {
    padding: 60px 0;
  }
  .sponsor-header {
    margin-bottom: 36px;
  }
  .sponsor-title {
    font-size: clamp(24px, 6vw, 32px);
  }
  .sponsor-subtitle {
    font-size: 14px;
  }
  .sponsor-benefits-list {
    gap: 20px;
  }
  .sponsor-benefits-list strong {
    font-size: 14px;
  }
  .sponsor-benefits-list p {
    font-size: 13px;
  }
  .sponsor-form-wrap {
    padding: 32px 24px;
  }
}

/* Small phones (480px and below) */
@media (max-width: 480px) {
  .institute-hero {
    padding: 90px 0 36px;
  }
  .institute-hero-title {
    font-size: clamp(24px, 7vw, 30px);
  }
  .institute-resource-card,
  .institute-training-card,
  .institute-paper-card {
    padding: 16px;
  }
  .sponsor-form-wrap {
    padding: 24px 16px;
  }
  .sponsor-benefit-num {
    width: 28px;
    height: 28px;
  }
}