:root {
  --sfg-bg: #f5f7fc;
  --sfg-surface: #ffffff;
  --sfg-border: #d9e2f3;
  --sfg-text: #111827;
  --sfg-muted: #606b85;
  --sfg-primary: #33408a;
  --sfg-primary-soft: #e9edff;
  --sfg-deep: #07132f;
}

* { box-sizing: border-box; }

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

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

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

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

.sfg-heading h1 { font-size: clamp(38px, 6vw, 72px); }
.sfg-heading h2 { font-size: clamp(34px, 4.2vw, 52px); }

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

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

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

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

.sfg-standards {
  background: var(--sfg-bg);
  padding-top: 26px;
}

.sfg-list {
  margin-top: 34px;
  display: grid;
  gap: 20px;
}

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

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

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

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

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

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

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

.sfg-cta {
  margin-top: 74px;
  background: linear-gradient(90deg, #07132f 0%, #081736 60%, #0b1d46 100%);
  color: #fff;
}

.sfg-cta .sfg-heading h2,
.sfg-cta .sfg-heading p {
  color: #fff;
}

.sfg-cta .sfg-heading p {
  color: #cad7ff;
}

.sfg-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  padding: 14px 24px;
  border-radius: 12px;
  text-decoration: none;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  background: linear-gradient(90deg, #33408a, #4653a1);
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 10px 24px rgba(51, 64, 138, 0.4);
}

.sfg-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(51, 64, 138, 0.5);
}

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

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

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

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

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

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

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

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