/* ============ ABOUT ============ */
.about {
  background: var(--paper);
  position: relative;
  overflow: hidden;
}
.about-blob {
  width: 220px; height: 220px;
  background: var(--ice);
  top: -40px; right: 6%;
  opacity: 0.7;
  animation: morph 18s ease-in-out infinite;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.about-head { position: relative; z-index: 2; max-width: 880px; }
.about-head h2 { margin: 18px 0 24px; }
.about-lead { font-size: 19px; line-height: 1.6; max-width: 64ch; }
.about-lead strong { color: var(--ink); font-weight: 800; }
.about-issues { margin-top: 80px; position: relative; z-index: 2; }
.issues-label {
  font-family: var(--display);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.issues-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.issue-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px 24px;
  transition: transform 0.25s, box-shadow 0.25s;
}
.issue-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(11,31,90,0.10); }
.issue-num {
  font-family: var(--display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--royal);
  margin-bottom: 12px;
}
.issue-card h3 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
}
.issue-card p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
}
@media (max-width: 900px) {
  .issues-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .issues-grid { grid-template-columns: 1fr; }
}
.about-grid h2 { margin: 24px 0 20px; }
.about-grid h2 .ital { color: var(--royal); font-family: inherit; font-style: normal; font-weight: inherit; }
.about-grid p { font-size: 19px; line-height: 1.6; max-width: 50ch; }
.about-grid p + p { margin-top: 18px; }

.about-visual {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--r-blob);
  background: linear-gradient(135deg, var(--royal), var(--sky));
  animation: morph 12s ease-in-out infinite;
  display: grid;
  place-items: center;
  color: white;
  padding: 48px;
  text-align: center;
  overflow: hidden;
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.4), transparent 50%);
}
.about-visual .quote {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 3.2vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.1;
  position: relative;
  z-index: 1;
}
.about-visual .quote::before { display: none; }
.about-visual .attrib {
  margin-top: 24px;
  font-family: var(--body);
  font-size: 14px;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  position: relative; z-index: 1;
}

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

/* ============ CHALLENGE ============ */
.challenge {
  background: var(--ink);
  color: white;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}
.challenge .eyebrow { color: var(--sky); }
.challenge h2 { color: white; }
.challenge h2 .blob-w {
  position: relative; display: inline-block;
  padding: 0 16px; color: var(--ink); z-index: 1;
}
.challenge h2 .blob-w::before {
  content: ""; position: absolute; inset: -8% -4%;
  background: var(--sun); border-radius: var(--r-blob);
  z-index: -1; animation: morph 9s ease-in-out infinite;
}
.challenge-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.challenge-intro p { color: rgba(255,255,255,0.75); font-size: 19px; max-width: 50ch; }

.challenge-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.cc {
  position: relative;
  padding: 28px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all 0.3s;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.cc:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
  border-color: var(--sky);
}
.cc .num {
  font-family: var(--display);
  font-weight: 900;
  font-size: 32px;
  letter-spacing: -0.02em;
  color: var(--sky);
}
.cc h3 { color: white; font-size: 22px; margin-top: 12px; }
.cc p { color: rgba(255,255,255,0.65); font-size: 15px; margin-top: 8px; }
.cc .icon-blob {
  width: 44px; height: 44px;
  border-radius: var(--r-blob);
  background: var(--royal);
  animation: morph 10s ease-in-out infinite;
  margin-bottom: 14px;
}
.cc-link {
  display: flex !important;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  background: var(--royal) !important;
  border-color: var(--royal) !important;
}
.cc-link:hover { background: #1b3ac4 !important; border-color: #1b3ac4 !important; transform: translateY(-4px); }
.cc-link h3, .cc-link p { color: white !important; }
.cc-link .link-blob { background: white !important; }
.cc-link .link-num {
  color: rgba(255,255,255,0.85) !important;
  font-size: 16px !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800 !important;
}
.cc-cta {
  margin-top: 18px;
  font-family: var(--display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: white;
  display: flex; align-items: center; gap: 8px;
}
.cc-link:hover .cc-arrow { transform: translateX(4px); }
.cc-arrow { transition: transform 0.25s; display: inline-block; }
.cc:nth-child(2) .icon-blob { background: var(--coral); }
.cc:nth-child(3) .icon-blob { background: var(--sun); }
.cc:nth-child(4) .icon-blob { background: var(--mint); }
.cc:nth-child(5) .icon-blob { background: var(--sky); }
.cc:nth-child(6) .icon-blob { background: #c5b9ff; }

@media (max-width: 900px) {
  .challenge-intro, .challenge-cards { grid-template-columns: 1fr; }
}

/* ============ SCHEDULE ============ */
.schedule {
  background: linear-gradient(180deg, #eef3ff, var(--paper));
  position: relative;
  overflow: hidden;
}
.schedule-blob {
  width: 320px; height: 320px;
  background: var(--ice);
  top: 18%; right: -160px;
  opacity: 0.7;
  animation: morph 20s ease-in-out infinite;
}
.schedule-head {
  text-align: center;
  margin-bottom: 80px;
}
.schedule-head h2 { margin-top: 16px; }
.schedule-head h2 .ital { color: var(--royal); font-family: inherit; font-style: normal; font-weight: inherit; }

.timeline {
  max-width: 880px;
  margin: 0 auto;
  position: relative;
  --rail-x: 100px;
  --row-pad: 14px;
}
.tl-rail {
  position: absolute;
  left: var(--rail-x);
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: rgba(31,76,255,0.14);
  border-radius: 2px;
  overflow: hidden;
}
.tl-rail-fill {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, var(--royal), var(--sky));
  border-radius: 2px;
  transition: height 0.15s linear;
}
.tl-row {
  display: grid;
  grid-template-columns: 88px 24px 1fr;
  align-items: stretch;
  padding: var(--row-pad) 0;
  position: relative;
}
.tl-time {
  font-family: var(--display);
  font-weight: 800;
  font-size: 22px;
  color: var(--royal);
  text-align: right;
  padding-right: 18px;
  padding-top: 24px;
  line-height: 1;
  letter-spacing: -0.01em;
  opacity: 0.45;
  transition: opacity 0.3s, color 0.3s;
}
.tl-dot {
  position: relative;
  width: 24px;
}
.tl-dot::before {
  content: "";
  position: absolute;
  left: 50%; top: 30px;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid rgba(31,76,255,0.28);
  transition: background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  z-index: 2;
}
.tl-row.is-active .tl-dot::before {
  background: var(--royal);
  border-color: var(--royal);
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 0 0 6px rgba(31,76,255,0.12);
}
.tl-row.is-active .tl-time { opacity: 1; }
.tl-row.is-past .tl-dot::before {
  background: var(--royal);
  border-color: var(--royal);
}
.tl-row.is-past .tl-time { opacity: 0.85; }
.tl-card {
  background: white;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.tl-row.is-active .tl-card {
  border-color: rgba(31,76,255,0.35);
  box-shadow: 0 14px 32px rgba(11,31,90,0.10);
  transform: translateX(4px);
}
.tl-card:hover { transform: translateX(6px); }
.tl-card h3 { font-size: 22px; line-height: 1.15; }
.tl-card p { margin-top: 6px; font-size: 15px; }
.tl-card .tag {
  display: inline-block;
  margin-top: 12px;
  padding: 4px 12px;
  background: var(--ice);
  color: var(--royal);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
@media (max-width: 700px) {
  .timeline { --rail-x: 60px; }
  .tl-row { grid-template-columns: 50px 24px 1fr; }
  .tl-time { font-size: 16px; padding-right: 12px; padding-top: 24px; }
}