/* About page — WorldTimelineHub */

.about-page {
  background: var(--surface-light, #f8fafc);
}

.dark .about-page {
  background: var(--brand-navy, #0c1222);
}

/* —— Hero —— */
.about-hero {
  position: relative;
  overflow: hidden;
  padding: 3.5rem 0 2.5rem;
  color: #f1f5f9;
  background: linear-gradient(145deg, #0f172a 0%, #1e1b4b 42%, #0f172a 100%);
}

.about-hero__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
}

.about-hero__glow {
  position: absolute;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.5;
}

.about-hero__glow--left {
  top: -4rem;
  left: -6rem;
  background: rgba(217, 70, 239, 0.45);
}

.about-hero__glow--right {
  bottom: -2rem;
  right: -4rem;
  background: rgba(245, 158, 11, 0.35);
}

.about-hero__inner {
  position: relative;
  z-index: 1;
}

.about-hero__grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .about-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3rem;
  }
}

.about-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fde68a;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.45);
  border-radius: 9999px;
}

.about-hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 0.65rem;
}

.about-hero__title-accent {
  display: block;
  background: linear-gradient(90deg, #fbbf24, #f97316, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-hero__tagline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0 0 1.15rem;
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: #e2e8f0;
}

.about-hero__era--past {
  color: #fcd34d;
}

.about-hero__era--future {
  color: #a5b4fc;
}

.about-hero__arc {
  flex: 1;
  min-width: 2.5rem;
  max-width: 5rem;
  height: 2px;
  background: linear-gradient(90deg, #fbbf24, #818cf8);
  border-radius: 1px;
}

.about-hero__lead {
  max-width: 36rem;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.65;
  color: #cbd5e1;
}

.about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}

.about-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.about-hero__btn:hover {
  transform: translateY(-2px);
}

.about-hero__btn--primary {
  color: #fff;
  background: linear-gradient(90deg, #4f46e5, #7c3aed);
  box-shadow: 0 10px 28px -10px rgba(99, 102, 241, 0.8);
}

.about-hero__btn--ghost {
  color: #e2e8f0;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.45);
}

.about-hero__btn--ghost:hover {
  border-color: #a5b4fc;
  color: #fff;
}

.about-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.about-hero__stat {
  flex: 1;
  min-width: 5.5rem;
  padding: 0.65rem 0.75rem;
  text-align: center;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-hero__stat-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fbbf24;
}

.about-hero__stat-label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #94a3b8;
}

/* Era ladder visual */
.about-hero__visual-card {
  position: relative;
  padding: 1.35rem 1.25rem;
  border-radius: 1.35rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
}

.about-hero__visual-label {
  margin: 0 0 1rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.about-era-ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.about-era-ladder__step {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.65rem 0.75rem;
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.about-era-ladder__step--highlight {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.25), rgba(139, 92, 246, 0.15));
  border-color: rgba(129, 140, 248, 0.45);
}

.about-era-ladder__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: 0.65rem;
  line-height: 0;
}

.about-era-ladder__icon svg,
.about-era-ladder__icon .icon-lucide {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
  flex-shrink: 0;
  vertical-align: middle;
  stroke-width: 2;
}

.about-era-ladder__icon--chalk {
  background: rgba(251, 191, 36, 0.2);
  color: #fcd34d;
}

.about-era-ladder__icon--radio {
  background: rgba(249, 115, 22, 0.2);
  color: #fdba74;
}

.about-era-ladder__icon--digital {
  background: rgba(52, 211, 153, 0.2);
  color: #6ee7b7;
}

.about-era-ladder__icon--ai {
  background: rgba(129, 140, 248, 0.25);
  color: #c4b5fd;
}

.about-era-ladder__step strong {
  display: block;
  font-size: 0.88rem;
  color: #f8fafc;
}

.about-era-ladder__step span {
  display: block;
  font-size: 0.72rem;
  color: #94a3b8;
}

/* Hero pillars */
.about-hero__pillars {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 640px) {
  .about-hero__pillars {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-pillar {
  padding: 1.15rem 1.1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.about-pillar:hover {
  border-color: rgba(251, 191, 36, 0.35);
  transform: translateY(-3px);
}

.about-pillar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.65rem;
  border-radius: 0.6rem;
  background: rgba(99, 102, 241, 0.2);
  color: #c4b5fd;
}

.about-pillar h3 {
  margin: 0 0 0.35rem;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: #f8fafc;
}

.about-pillar p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #94a3b8;
}

/* —— Section heads —— */
.about-section-head {
  margin-bottom: 2rem;
}

.about-section-head--center {
  text-align: center;
}

.about-section-head--center .about-section-head__desc {
  margin-left: auto;
  margin-right: auto;
}

.about-section-head__eyebrow {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6366f1;
}

.dark .about-section-head__eyebrow {
  color: #a5b4fc;
}

.about-section-head__title {
  margin: 0;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #0f172a;
}

.dark .about-section-head__title {
  color: #f8fafc;
}

.about-section-head__title--mission {
  background: linear-gradient(90deg, #4f46e5, #7c3aed, #c026d3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.about-section-head__title--explore {
  background: linear-gradient(90deg, #d97706, #ea580c, #e11d48);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dark .about-section-head__title--mission,
.dark .about-section-head__title--explore {
  color: transparent;
}

.about-section-head__desc {
  margin: 0.65rem 0 0;
  max-width: 32rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #64748b;
}

.dark .about-section-head__desc {
  color: #94a3b8;
}

/* —— Mission —— */
.about-mission {
  padding: 4rem 0;
}

.about-mission__grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 1024px) {
  .about-mission__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }
}

.about-mission__article {
  padding: 1.75rem 1.5rem;
  border-radius: 1.25rem;
  background: var(--surface-card, #fff);
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: 0 16px 40px -24px rgba(15, 23, 42, 0.12);
}

.dark .about-mission__article {
  background: rgba(30, 41, 59, 0.55);
  border-color: rgba(71, 85, 105, 0.5);
}

.about-mission__article p {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: #475569;
  text-align: justify;
}

.dark .about-mission__article p {
  color: #cbd5e1;
}

.about-mission__lead {
  font-size: 1.05rem !important;
  color: #1e293b !important;
}

.dark .about-mission__lead {
  color: #f1f5f9 !important;
}

.about-quote {
  position: relative;
  margin: 1.25rem 0;
  padding: 1.15rem 1.15rem 1.15rem 3rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(245, 158, 11, 0.06));
  border-left: 4px solid #f59e0b;
}

.dark .about-quote {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(245, 158, 11, 0.08));
}

.about-quote__icon {
  position: absolute;
  left: 0.85rem;
  top: 1rem;
  width: 1.25rem;
  height: 1.25rem;
  color: #f59e0b;
  opacity: 0.85;
}

.about-quote blockquote {
  margin: 0;
}

.about-quote blockquote p {
  margin: 0 !important;
  font-style: italic;
  font-weight: 500;
  color: #334155 !important;
  text-align: left !important;
}

.dark .about-quote blockquote p {
  color: #e2e8f0 !important;
}

.about-mission__aside {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.about-feature-card {
  padding: 1.35rem 1.25rem;
  border-radius: 1.15rem;
  background: var(--surface-card, #fff);
  border: 1px solid rgba(148, 163, 184, 0.2);
  box-shadow: 0 10px 32px -18px rgba(15, 23, 42, 0.1);
}

.dark .about-feature-card {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(71, 85, 105, 0.45);
}

.about-feature-card--audience {
  background: linear-gradient(160deg, rgba(79, 70, 229, 0.06) 0%, var(--surface-card, #fff) 55%);
}

.dark .about-feature-card--audience {
  background: linear-gradient(160deg, rgba(99, 102, 241, 0.18) 0%, rgba(30, 41, 59, 0.6) 55%);
}

.about-feature-card__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: #0f172a;
}

.dark .about-feature-card__title {
  color: #f8fafc;
}

.about-feature-card__title .icon-lucide {
  color: #6366f1;
}

.about-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.about-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.45;
  color: #475569;
}

.dark .about-feature-list li {
  color: #cbd5e1;
}

.about-feature-list .icon-lucide {
  flex-shrink: 0;
  margin-top: 0.1rem;
  color: #10b981;
}

.about-feature-card--audience p {
  margin: 0 0 0.85rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #64748b;
}

.dark .about-feature-card--audience p {
  color: #94a3b8;
}

.about-audience-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.about-audience-tags span {
  padding: 0.3rem 0.65rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9999px;
  color: #4f46e5;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.dark .about-audience-tags span {
  color: #c4b5fd;
  background: rgba(99, 102, 241, 0.2);
  border-color: rgba(129, 140, 248, 0.35);
}

/* —— Explore steps —— */
.about-explore {
  padding: 4rem 0;
  background: #fff;
}

.dark .about-explore {
  background: #0f172a;
}

.about-steps {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .about-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .about-steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.about-step {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.15rem 1.15rem;
  border-radius: 1.15rem;
  text-decoration: none;
  color: inherit;
  background: var(--surface-light, #f8fafc);
  border: 1px solid rgba(148, 163, 184, 0.25);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.dark .about-step {
  background: rgba(30, 41, 59, 0.5);
  border-color: rgba(71, 85, 105, 0.45);
}

.about-step:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 16px 40px -20px rgba(79, 70, 229, 0.35);
}

.about-step__num {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #cbd5e1;
}

.dark .about-step__num {
  color: #475569;
}

.about-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 0.75rem;
  border-radius: 0.7rem;
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.about-step h3 {
  margin: 0 0 0.4rem;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.dark .about-step h3 {
  color: #f8fafc;
}

.about-step p {
  flex: 1;
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #64748b;
}

.dark .about-step p {
  color: #94a3b8;
}

.about-step__link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: #4f46e5;
}

.dark .about-step__link {
  color: #a5b4fc;
}

.about-step:hover .about-step__link {
  gap: 0.45rem;
}

/* —— CTA —— */
.about-cta {
  padding: 3.5rem 0 4rem;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12) 0%, rgba(245, 158, 11, 0.08) 100%);
  border-top: 1px solid rgba(148, 163, 184, 0.15);
}

.dark .about-cta {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.2) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-top-color: rgba(71, 85, 105, 0.4);
}

.about-cta__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: #0f172a;
}

.dark .about-cta__title {
  color: #f8fafc;
}

.about-cta__desc {
  margin: 0 0 1.35rem;
  font-size: 0.95rem;
  color: #64748b;
}

.dark .about-cta__desc {
  color: #94a3b8;
}

.about-cta__btn {
  margin: 0 auto;
}

/* —— About page footer —— */
.legal-footer--about {
  border-top-color: rgba(99, 102, 241, 0.35);
  background: linear-gradient(180deg, #1e1b4b 0%, #0f172a 55%, #0c1222 100%);
}

.dark .legal-footer--about {
  border-top-color: rgba(129, 140, 248, 0.25);
  background: linear-gradient(180deg, #0f172a 0%, #0c1222 50%, #020617 100%);
}

.legal-footer--about .legal-footer__inner {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
}

.legal-footer--about .legal-footer__copy {
  color: #cbd5e1;
}

.dark .legal-footer--about .legal-footer__copy {
  color: #94a3b8;
}

.legal-footer__tagline {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, #fbbf24, #f97316, #f472b6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.dark .legal-footer__tagline {
  color: transparent;
}