/* =====================================================
   TTB About Page Styles (TTB-537)
   Modern, storytelling layout for /about/
   aligned with TTB Design System v1.3.0 tokens.
   ===================================================== */

.ttb-about-sec {
  --ttb-abt-forest: #2E4936;
  --ttb-abt-moss: #526747;
  --ttb-abt-cedar: #8B755E;
  --ttb-abt-paper: #F4EFE3;
  --ttb-abt-cream: #FAF8F5;
  --ttb-abt-white: #FFFFFF;
  --ttb-abt-charcoal: #30352F;
  --ttb-abt-body: #454B44;
  --ttb-abt-line: rgba(111, 130, 99, 0.35);
  --ttb-abt-head: 'Inter', system-ui, -apple-system, sans-serif;
  --ttb-abt-font: 'Noto Sans', system-ui, -apple-system, sans-serif;

  box-sizing: border-box;
  background: var(--ttb-abt-paper);
  color: var(--ttb-abt-charcoal);
  font-family: var(--ttb-abt-font);
  padding: clamp(48px, 6vw, 72px) clamp(20px, 5vw, 64px) clamp(64px, 8vw, 96px);
  width: 100%;
}

.ttb-about-sec *,
.ttb-about-sec *::before,
.ttb-about-sec *::after {
  box-sizing: border-box;
}

.ttb-about-inner {
  margin: 0 auto;
  max-width: 1140px;
}

/* Header */
.ttb-about-header {
  margin-bottom: clamp(36px, 5vw, 56px);
  max-width: 880px;
}

.ttb-about-eyebrow {
  display: block;
  font-family: var(--ttb-abt-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ttb-abt-moss);
  margin-bottom: 0.65rem;
}

.ttb-about-title {
  font-family: var(--ttb-abt-head);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--ttb-abt-forest);
  margin: 0 0 1rem 0;
}

.ttb-about-lede {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.6;
  color: var(--ttb-abt-body);
  margin: 0 0 1.5rem 0;
}

.ttb-about-quickbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.85rem;
  margin-top: 1.25rem;
}

.ttb-about-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--ttb-abt-line);
  color: var(--ttb-abt-forest);
  font-family: var(--ttb-abt-head);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.15s ease;
}

.ttb-about-pill:hover {
  background: var(--ttb-abt-white);
  border-color: var(--ttb-abt-moss);
  color: var(--ttb-abt-moss);
  transform: translateY(-1px);
}

.ttb-about-pill--primary {
  background: var(--ttb-abt-forest);
  border-color: var(--ttb-abt-forest);
  color: #fff;
}

.ttb-about-pill--primary:hover {
  background: var(--ttb-abt-moss);
  border-color: var(--ttb-abt-moss);
  color: #fff;
}

/* Section Headings */
.ttb-about-section-head {
  margin-bottom: 1.75rem;
}

.ttb-about-section-title {
  font-family: var(--ttb-abt-head);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  color: var(--ttb-abt-forest);
  margin: 0 0 0.5rem 0;
}

.ttb-about-section-sub {
  font-size: 0.98rem;
  color: var(--ttb-abt-body);
  margin: 0;
}

/* Narrative Story Cards (From Tech to Trees) */
.ttb-about-story-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 1.5rem;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.ttb-about-story-card {
  background: var(--ttb-abt-white);
  border: 1px solid var(--ttb-abt-line);
  border-radius: 14px;
  padding: clamp(24px, 3.5vw, 32px);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ttb-about-story-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 73, 54, 0.05);
}

.ttb-about-story-num {
  font-family: var(--ttb-abt-head);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ttb-abt-moss);
  margin-bottom: 0.5rem;
}

.ttb-about-story-title {
  font-family: var(--ttb-abt-head);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ttb-abt-forest);
  margin: 0 0 0.75rem 0;
}

.ttb-about-story-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ttb-abt-body);
  margin: 0;
}

/* Metric / Stat Row */
.ttb-about-metrics-wrap {
  background: var(--ttb-abt-white);
  border: 1px solid var(--ttb-abt-line);
  border-radius: 14px;
  padding: clamp(24px, 3.5vw, 32px);
  margin-bottom: clamp(36px, 5vw, 56px);
}

.ttb-about-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 1.5rem;
}

.ttb-about-metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.ttb-about-metric-val {
  font-family: var(--ttb-abt-head);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--ttb-abt-forest);
  line-height: 1.1;
}

.ttb-about-metric-label {
  font-family: var(--ttb-abt-head);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ttb-abt-moss);
}

.ttb-about-metric-sub {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--ttb-abt-body);
}

/* Four Pillars Framework Feature Card */
.ttb-about-pillars-feature {
  background: var(--ttb-abt-cream);
  border: 1px solid var(--ttb-abt-line);
  border-radius: 16px;
  padding: clamp(28px, 4vw, 44px);
  margin-bottom: clamp(36px, 5vw, 56px);
}

.ttb-about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(111, 130, 99, 0.2);
}

.ttb-about-pillar-card {
  background: var(--ttb-abt-white);
  border: 1px solid rgba(111, 130, 99, 0.25);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}

.ttb-about-pillar-badge {
  font-family: var(--ttb-abt-head);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--ttb-abt-cedar);
  margin-bottom: 0.35rem;
}

.ttb-about-pillar-name {
  font-family: var(--ttb-abt-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ttb-abt-forest);
  margin: 0 0 0.45rem 0;
}

.ttb-about-pillar-text {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--ttb-abt-body);
  margin: 0;
}

/* Ecosystem Grid */
.ttb-about-eco-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr));
  gap: 1.75rem;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.ttb-about-eco-card {
  background: var(--ttb-abt-white);
  border: 1px solid var(--ttb-abt-line);
  border-radius: 14px;
  padding: clamp(24px, 3.5vw, 32px);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ttb-about-eco-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(46, 73, 54, 0.06);
}

.ttb-about-eco-tag {
  font-family: var(--ttb-abt-head);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ttb-abt-moss);
  margin-bottom: 0.5rem;
  display: block;
}

.ttb-about-eco-title {
  font-family: var(--ttb-abt-head);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ttb-abt-forest);
  margin: 0 0 0.75rem 0;
}

.ttb-about-eco-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ttb-abt-body);
  margin: 0 0 1.25rem 0;
  flex: 1;
}

/* Links and Buttons */
.ttb-about-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--ttb-abt-head);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ttb-abt-forest);
  text-decoration: none;
  transition: gap 0.15s ease, color 0.15s ease;
}

.ttb-about-link:hover {
  color: var(--ttb-abt-moss);
  gap: 0.65rem;
}

.ttb-about-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ttb-abt-forest);
  color: #fff;
  font-family: var(--ttb-abt-head);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.85rem 1.65rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.ttb-about-btn:hover {
  background: var(--ttb-abt-moss);
  color: #fff;
  transform: translateY(-1px);
}

.ttb-about-btn--secondary {
  background: transparent;
  color: var(--ttb-abt-forest);
  border: 1.5px solid var(--ttb-abt-forest);
}

.ttb-about-btn--secondary:hover {
  background: var(--ttb-abt-forest);
  color: #fff;
}

/* Media Banner */
.ttb-about-media-banner {
  background: var(--ttb-abt-white);
  border: 1px solid var(--ttb-abt-line);
  border-radius: 14px;
  padding: clamp(24px, 3.5vw, 32px);
  margin-bottom: clamp(36px, 5vw, 56px);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ttb-about-media-banner h3 {
  font-family: var(--ttb-abt-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ttb-abt-forest);
  margin: 0;
}

.ttb-about-media-banner p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ttb-abt-body);
  margin: 0;
}

/* Bottom Callout */
.ttb-about-callout {
  background: var(--ttb-abt-forest);
  color: #fff;
  border-radius: 16px;
  padding: clamp(32px, 5vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.ttb-about-callout .ttb-about-eyebrow {
  color: #A2B997;
}

.ttb-about-callout h2 {
  font-family: var(--ttb-abt-head);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  margin: 0;
}

.ttb-about-callout p {
  font-size: 1.02rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  margin: 0;
  max-width: 720px;
}

.ttb-about-callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.ttb-about-callout .ttb-about-btn {
  background: #fff;
  color: var(--ttb-abt-forest);
}

.ttb-about-callout .ttb-about-btn:hover {
  background: var(--ttb-abt-paper);
  color: var(--ttb-abt-forest);
}

.ttb-about-callout .ttb-about-btn--secondary {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.ttb-about-callout .ttb-about-btn--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: #fff;
}

@media (max-width: 640px) {
  .ttb-about-sec {
    padding: 32px 16px 48px;
  }
  .ttb-about-quickbar {
    flex-direction: column;
    align-items: stretch;
  }
  .ttb-about-pill {
    justify-content: center;
  }
  .ttb-about-callout-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .ttb-about-btn {
    justify-content: center;
  }
}

/* =====================================================
   Memberships and Affiliations Section
   ===================================================== */
.ttb-memberships {
  background: var(--ttb-abt-white, #FFFFFF);
  border-top: 1px solid var(--ttb-abt-line, rgba(111, 130, 99, 0.25));
  padding: clamp(48px, 6vw, 72px) clamp(20px, 5vw, 64px);
  width: 100%;
  box-sizing: border-box;
}

.ttb-memberships__inner {
  margin: 0 auto;
  max-width: 1140px;
}

.ttb-memberships__eyebrow {
  display: block;
  font-family: var(--ttb-abt-head, 'Inter', system-ui, sans-serif);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ttb-abt-moss, #526747);
  margin: 0 0 0.65rem 0;
}

.ttb-memberships h2,
#ttb-memberships-title {
  font-family: var(--ttb-abt-head, 'Inter', system-ui, sans-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ttb-abt-forest, #2E4936);
  margin: 0 0 0.75rem 0;
  max-width: 720px;
}

.ttb-memberships__intro {
  font-family: var(--ttb-abt-font, 'Noto Sans', system-ui, sans-serif);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ttb-abt-body, #454B44);
  margin: 0 0 clamp(24px, 4vw, 36px) 0;
  max-width: 680px;
}

.ttb-memberships__logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.ttb-memberships__logo-link {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ttb-abt-cream, #FAF8F5);
  border: 1px solid var(--ttb-abt-line, rgba(111, 130, 99, 0.25));
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  min-height: 120px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.ttb-memberships__logo-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 73, 54, 0.06);
  border-color: var(--ttb-abt-moss, #526747);
}

.ttb-memberships__logo-link:focus-visible {
  border-radius: 12px;
  outline: 3px solid var(--ttb-abt-forest, #2E4936);
  outline-offset: 4px;
}

.ttb-memberships__logo {
  display: block;
  max-height: 3.5rem;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: opacity 0.2s ease;
}

.ttb-memberships__logo--anft {
  max-height: 3.25rem;
}

.ttb-memberships__logo--parx {
  max-height: 3.5rem;
}

.ttb-memberships__logo--nftc {
  max-height: 3.25rem;
}