/* ==================================================================
   about.css — About (why us + timeline) & FAQ sections.
   Consumes tokens/utilities from base.css. Owned by the about agent.
   ================================================================== */

/* ------------------------------------------------------------------
   1. About — layout
   ------------------------------------------------------------------ */
.about {
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 64px;
}

/* ------------------------------------------------------------------
   2. About — left column
   ------------------------------------------------------------------ */
.lead-left {
  font: 400 17px/1.65 var(--font-body);
  color: var(--muted);
  margin: 20px 0 28px;
  max-width: 50ch;
}

.about-checks {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-checks li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.check-icon {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  color: var(--green);
  transition: transform .3s var(--ease), filter .3s var(--ease);
}

.about-checks li:hover .check-icon {
  transform: scale(1.12);
  filter: drop-shadow(0 0 6px rgba(52, 245, 162, .55));
}

.about-checks span {
  font: 500 15px/1.5 var(--font-body);
  color: var(--text);
}

/* ------------------------------------------------------------------
   3. About — right panel
   ------------------------------------------------------------------ */
.about-panel {
  padding: 40px;
}

.about-orb {
  position: absolute;
  z-index: 0;
  left: -70px;
  bottom: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold), transparent 70%);
  opacity: .1;
  pointer-events: none;
}

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

.about-year-big {
  font: 700 clamp(72px, 9vw, 120px)/1 var(--font-display);
  letter-spacing: -.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(52, 245, 162, .55);
  text-shadow: 0 0 40px rgba(52, 245, 162, .35), 0 0 90px rgba(52, 245, 162, .14);
  animation: about-year-glow 5s ease-in-out infinite;
}

@keyframes about-year-glow {
  0%, 100% {
    text-shadow: 0 0 40px rgba(52, 245, 162, .35), 0 0 90px rgba(52, 245, 162, .14);
  }
  50% {
    text-shadow: 0 0 56px rgba(52, 245, 162, .5), 0 0 110px rgba(52, 245, 162, .22);
  }
}

.about-caption {
  font: 600 12px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
  margin-top: 12px;
  margin-bottom: 34px;
}

/* Timeline */
.about-timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-left: 28px;
}

.about-timeline::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  bottom: 3px;
  width: 1px;
  background: linear-gradient(180deg, var(--green), var(--gold));
  opacity: .55;
}

.tl-entry {
  position: relative;
}

.tl-dot {
  position: absolute;
  left: -29px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(52, 245, 162, .15), 0 0 12px 2px rgba(52, 245, 162, .6);
  animation: tl-dot-pulse 3s ease-in-out infinite;
}

.tl-entry:nth-child(2) .tl-dot {
  animation-delay: .4s;
}

.tl-entry:nth-child(3) .tl-dot {
  animation-delay: .8s;
}

.tl-entry:nth-child(4) .tl-dot {
  animation-delay: 1.2s;
}

@keyframes tl-dot-pulse {
  0%, 100% {
    box-shadow: 0 0 0 3px rgba(52, 245, 162, .15), 0 0 12px 2px rgba(52, 245, 162, .6);
  }
  50% {
    box-shadow: 0 0 0 5px rgba(52, 245, 162, .1), 0 0 16px 4px rgba(52, 245, 162, .85);
  }
}

.tl-year {
  display: block;
  font: 600 13px var(--font-mono);
  color: var(--green);
  margin-bottom: 4px;
}

.tl-text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

/* ------------------------------------------------------------------
   4. FAQ
   ------------------------------------------------------------------ */
.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.faq-item:hover {
  border-color: rgba(52, 245, 162, .2);
}

.faq-item[open] {
  border-color: rgba(52, 245, 162, .35);
}

.faq-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  font: 600 17px var(--font-display);
  color: var(--text);
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

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

.faq-toggle {
  flex: none;
  width: 24px;
  height: 24px;
  color: var(--green);
  transition: transform .3s var(--ease);
}

.faq-item[open] .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer-wrap {
  overflow: hidden;
}

.faq-item[open] .faq-answer-wrap {
  animation: faq-fade-slide .26s var(--ease);
}

@keyframes faq-fade-slide {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-answer {
  padding: 0 26px 22px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* ------------------------------------------------------------------
   5. Responsive
   ------------------------------------------------------------------ */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 600px) {
  .about-panel {
    padding: 28px;
  }
  .faq-summary {
    padding: 18px 20px;
    font-size: 16px;
  }
  .faq-answer {
    padding: 0 20px 18px;
  }
}