*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #f5f7fa;
  color: #1a1a2e;
  line-height: 1.7;
  padding: 2rem 1rem;
}

.card {
  max-width: 760px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

/* ── Header ── */
.card-header {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 60%, #0f3460 100%);
  padding: 2.5rem 2.5rem 2rem;
  color: #ffffff;
}

.card-header .app-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #a8b4c8;
  margin-bottom: 0.5rem;
}

.card-header h1 {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card-header .meta {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: #a8b4c8;
}

/* ── Body ── */
.card-body {
  padding: 2.5rem;
}

.intro {
  background: #f0f4ff;
  border-left: 4px solid #0f3460;
  border-radius: 0 8px 8px 0;
  padding: 1rem 1.25rem;
  margin-bottom: 2.5rem;
  font-size: 0.95rem;
  color: #2d3a4a;
}

/* ── Sections ── */
.section {
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}

.section-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #0f3460;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.section-icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: #ffffff;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.section h2 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #0f3460;
}

.section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.section ul li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.93rem;
  color: #3a3a4a;
}

.section ul li::before {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #0f3460;
  margin-top: 0.55em;
  flex-shrink: 0;
}

.section p {
  font-size: 0.93rem;
  color: #3a3a4a;
}

.section strong {
  color: #1a1a2e;
}

hr.divider {
  border: none;
  border-top: 1px solid #e8ecf2;
  margin: 0.5rem 0 2rem;
}

/* ── Contact ── */
.contact-box {
  background: #f0f4ff;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact-box p {
  font-size: 0.93rem;
  color: #3a3a4a;
  flex: 1 1 200px;
}

.contact-box a {
  color: #0f3460;
  font-weight: 600;
  text-decoration: none;
  word-break: break-all;
}

.contact-box a:hover {
  text-decoration: underline;
}

/* ── Footer ── */
.card-footer {
  background: #f5f7fa;
  border-top: 1px solid #e8ecf2;
  padding: 1rem 2.5rem;
  text-align: center;
  font-size: 0.78rem;
  color: #8a93a2;
}

@media (max-width: 520px) {
  .card-header, .card-body { padding: 1.5rem; }
  .card-header h1 { font-size: 1.45rem; }
  .card-footer { padding: 1rem; }
}