:root {
  --spp-bg: #f5f7fc;
  --spp-surface: #ffffff;
  --spp-border: #d9e2f3;
  --spp-text: #111827;
  --spp-muted: #606b85;
  --spp-primary: #33408a;
  --spp-primary-soft: #e9edff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  background: var(--spp-bg);
  color: var(--spp-text);
}

.spp-page { min-height: 100vh; }
.spp-container { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
section { padding: 74px 0; }

.spp-heading { text-align: center; }

.spp-heading h1,
.spp-heading h2 {
  margin: 0;
  line-height: 1.1;
  font-weight: 700;
  color: #121b2f;
}

.spp-heading h1 { font-size: clamp(38px, 6vw, 72px); }
.spp-heading h2 { font-size: clamp(30px, 4.2vw, 52px); }

.spp-heading h1 span {
  color: var(--spp-primary);
}

.spp-heading p {
  margin: 14px auto 0;
  max-width: 860px;
  color: var(--spp-muted);
  font-size: 18px;
  line-height: 1.55;
}

.spp-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #ccdaf8;
  border-radius: 999px;
  background: var(--spp-primary-soft);
  color: var(--spp-primary);
  padding: 8px 14px;
  margin-bottom: 20px;
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.spp-hero {
  padding-top: 92px;
  padding-bottom: 64px;
}

.spp-content {
  background: var(--spp-bg);
  padding-top: 26px;
}

.spp-list {
  display: grid;
  gap: 20px;
}

.spp-card {
  border: 1px solid #e0e6f3;
  background: #f7f9fd;
  border-radius: 20px;
  padding: 24px;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  align-items: start;
}

.spp-number {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: #e7ecff;
  color: var(--spp-primary);
  font-size: 18px;
  font-weight: 700;
}

.spp-card-content h3 {
  margin: 0 0 6px;
  font-size: 34px;
  line-height: 1.2;
  font-weight: 600;
  color: #121b2f;
}

.spp-card-content p {
  margin: 0;
  color: #5f6a84;
  font-size: 16px;
  line-height: 1.6;
}

.spp-card-content p + p {
  margin-top: 10px;
}

.spp-card-content ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.spp-card-content li {
  color: #5f6a84;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 4px;
}

.spp-card-content a {
  color: var(--spp-primary);
  text-decoration: none;
}

.spp-card-content a:hover {
  text-decoration: underline;
}

.spp-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms ease, transform 560ms ease;
}

.spp-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .spp-heading p { font-size: 16px; }
  .spp-card-content h3 { font-size: 30px; }
  .spp-card-content p,
  .spp-card-content li { font-size: 16px; }
}

@media (max-width: 760px) {
  section { padding: 56px 0; }

  .spp-hero {
    padding-top: 64px;
    padding-bottom: 48px;
  }

  .spp-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 20px;
  }

  .spp-number {
    width: 50px;
    height: 50px;
    font-size: 18px;
  }

  .spp-heading p,
  .spp-card-content p,
  .spp-card-content li { font-size: 16px; }
  .spp-card-content h3 { font-size: 28px; }
}