/* About page — SimplyCodes layout, ReviewDecode light theme */

.rd-about {
  --ab-text: var(--text, #0f172a);
  --ab-muted: var(--muted, #5b677a);
  --ab-line: var(--line, rgba(15, 23, 42, 0.08));
  --ab-surface: var(--surfaceSolid, #fff);
  --ab-brand: var(--brand, #1a73e8);
  --ab-brand-soft: rgba(26, 115, 232, 0.1);
  color: var(--ab-text);
  padding-bottom: 0;
}

.rd-about a {
  color: inherit;
}

/* Hero */
.rd-about-hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
}

.rd-about-hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(26, 115, 232, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 115, 232, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.rd-about-hero__glow {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 320px;
  background: radial-gradient(ellipse, rgba(26, 115, 232, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.rd-about-hero .container {
  position: relative;
  z-index: 1;
}

.rd-about-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.125em;
  color: var(--ab-brand);
  margin: 0 0 16px;
}

.rd-about-label::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--ab-brand);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.rd-about-hero__title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 640px;
  margin: 0 0 20px;
}

.rd-about-break {
  display: block;
}

.rd-about-hero__lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--ab-muted);
  max-width: 600px;
  margin: 0;
}

.rd-about-divider {
  border: none;
  border-top: 1px solid var(--ab-line);
  margin: 0;
}

.rd-about-section {
  padding: 64px 0;
}

.rd-about-h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
}

.rd-about-h2--spaced {
  margin-bottom: 32px;
}

.rd-about-muted {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ab-muted);
  margin: 0 0 16px;
}

.rd-about-muted--narrow {
  max-width: 640px;
}

.rd-about-muted--last {
  margin-bottom: 32px;
}

.rd-about-muted--center {
  max-width: 480px;
  margin: 0 auto 24px;
  text-align: center;
}

/* Origin grid */
.rd-about-origin {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.rd-about-origin__story .rd-about-h2 {
  margin-bottom: 24px;
}

/* Timeline */
.rd-about-timeline {
  position: relative;
  padding-left: 32px;
}

.rd-about-timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: rgba(15, 23, 42, 0.1);
}

.rd-about-timeline__item {
  position: relative;
  margin-bottom: 24px;
}

.rd-about-timeline__item:last-child {
  margin-bottom: 0;
}

.rd-about-timeline__dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--ab-brand);
  background: var(--bg, #f0f4fa);
}

.rd-about-timeline__dot.is-current {
  background: var(--ab-brand);
  box-shadow: 0 0 0 4px var(--ab-brand-soft);
}

.rd-about-timeline__year {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ab-brand);
  margin-bottom: 4px;
}

.rd-about-timeline__title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.rd-about-timeline__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ab-muted);
  margin: 0;
}

/* Numbers */
.rd-about-numbers {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.rd-about-numbers__item {
  padding: 24px 16px;
  border-radius: 12px;
  border: 1px solid var(--ab-line);
  background: var(--ab-surface);
  box-shadow: var(--shadowSm, 0 8px 24px rgba(15, 23, 42, 0.05));
  text-align: center;
}

.rd-about-numbers__val {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 8px;
}

.rd-about-numbers__val.is-accent {
  color: var(--ab-brand);
}

.rd-about-numbers__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ab-muted);
  line-height: 1.4;
}

/* Beliefs */
.rd-about-beliefs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.rd-about-belief {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--ab-line);
  background: var(--ab-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.rd-about-belief:hover {
  border-color: rgba(26, 115, 232, 0.2);
  box-shadow: var(--shadowSm, 0 8px 24px rgba(15, 23, 42, 0.06));
}

.rd-about-belief__num {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ab-brand);
  margin-bottom: 12px;
}

.rd-about-belief__title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}

.rd-about-belief__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ab-muted);
  margin: 0;
}

/* Engine section */
.rd-about-engine {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.rd-about-engine__panels {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rd-about-engine__bridge {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ab-muted);
  margin: 0;
}

.rd-about-panel {
  padding: 20px 24px;
  border-radius: 16px;
  border: 1px solid var(--ab-line);
  background: var(--ab-surface);
  box-shadow: var(--shadowSm, 0 8px 24px rgba(15, 23, 42, 0.04));
}

.rd-about-panel--accent {
  border-color: rgba(26, 115, 232, 0.22);
  background: linear-gradient(180deg, rgba(26, 115, 232, 0.04), var(--ab-surface));
}

.rd-about-panel--link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.rd-about-panel--link:hover {
  border-color: rgba(26, 115, 232, 0.25);
  box-shadow: var(--shadowSm, 0 8px 24px rgba(15, 23, 42, 0.08));
  transform: translateY(-2px);
}

.rd-about-panel__tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ab-brand);
  margin: 0 0 8px;
}

.rd-about-panel__tag.is-violet {
  color: #7c5cff;
}

.rd-about-panel__tag.is-blue {
  color: #1a73e8;
}

.rd-about-panel__title {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px;
}

.rd-about-panel__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ab-muted);
  margin: 0 0 12px;
  flex: 1;
}

.rd-about-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ab-brand);
  text-decoration: none;
}

.rd-about-link:hover {
  color: var(--brandDark, #1557b0);
}

.rd-about-link svg {
  transition: transform 0.15s;
}

.rd-about-link:hover svg {
  transform: translateX(2px);
}

/* Team grid */
.rd-about-team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

/* CTA */
.rd-about-cta__inner {
  text-align: center;
}

.rd-about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.rd-about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.rd-about-btn--primary {
  background: var(--ab-brand);
  color: #fff !important;
}

.rd-about-btn--primary:hover {
  background: var(--brandDark, #1557b0);
  color: #fff !important;
}

.rd-about-btn--ghost {
  background: var(--ab-surface);
  color: var(--ab-text) !important;
  border: 1px solid rgba(15, 23, 42, 0.14);
}

.rd-about-btn--ghost:hover {
  border-color: rgba(15, 23, 42, 0.28);
  color: var(--ab-brand) !important;
}

/* Responsive */
@media (max-width: 1024px) {
  .rd-about-origin,
  .rd-about-engine {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .rd-about-numbers {
    grid-template-columns: repeat(3, 1fr);
  }

  .rd-about-beliefs {
    grid-template-columns: repeat(2, 1fr);
  }

  .rd-about-team-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .rd-about-hero {
    padding: 48px 0 32px;
  }

  .rd-about-section {
    padding: 48px 0;
  }

  .rd-about-break {
    display: inline;
  }

  .rd-about-numbers {
    grid-template-columns: repeat(2, 1fr);
  }

  .rd-about-beliefs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .rd-about-numbers {
    grid-template-columns: 1fr;
  }
}