/* Athene Group — landing sections mở rộng (capabilities, platforms,
   process, tech, faq). Base tokens ở styles.css. */

/* ---------- Capabilities ---------- */

.caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.cap {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 24px;
  background: var(--card);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.cap:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(14, 27, 44, 0.1);
}

.cap svg {
  width: 30px;
  height: 30px;
  color: var(--brand);
  margin-bottom: 16px;
}

.cap h3 {
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 8px;
}

.cap p { font-size: 14px; color: var(--slate); }

/* ---------- Platforms ---------- */

.platforms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.platform {
  text-align: center;
  padding: 30px 20px;
  border-radius: 16px;
  background: #f6f7f9;
  transition: background 0.3s;
}

.platform:hover { background: #eef4f2; }

.platform svg {
  width: 34px;
  height: 34px;
  color: var(--ink);
  margin: 0 auto 14px;
  display: block;
}

.platform h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 400;
  margin-bottom: 8px;
}

.platform p { font-size: 13.5px; color: var(--slate); }

/* ---------- Process (sequence thật → đánh số) ---------- */

.process {
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
}

.process li {
  counter-increment: step;
  position: relative;
  padding-top: 18px;
}

.process li::before {
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 34px;
  color: var(--brand);
  display: block;
  margin-bottom: 10px;
}

.process li::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--brand-soft);
}

.process h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.process p { font-size: 13.5px; color: var(--slate); }

/* ---------- Technology chips ---------- */

.tech-band { background: #f6f7f9; }

.tech-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.chip {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
}

.chip strong { color: var(--brand); font-weight: 600; }

/* ---------- FAQ ---------- */

.faq { max-width: 780px; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 6px 0;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-size: 16.5px;
  font-weight: 600;
}

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

.faq summary::after {
  content: "+";
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--brand);
  line-height: 1;
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
}

.faq details[open] summary::after { transform: rotate(45deg); }

.faq details p {
  padding: 0 0 18px;
  color: var(--slate);
  font-size: 15px;
  max-width: 62ch;
}

.faq details a { color: var(--brand); }

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .caps { grid-template-columns: repeat(2, 1fr); }
  .platforms { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 32px 28px; }
}

@media (max-width: 680px) {
  .caps { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr 1fr; gap: 14px; }
  .process { grid-template-columns: 1fr; }
}