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

body {
  font-family:
    'Inter',
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    'Apple Color Emoji',
    'Segoe UI Emoji',
    'Noto Color Emoji',
    sans-serif;

  line-height: 1.6;
  color: #1f2937;
}
.emoji {
  font-family:
    'Apple Color Emoji',
    'Segoe UI Emoji',
    'Noto Color Emoji',
    system-ui;
  font-weight: 400;
}
/* UTIL */
.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

section {
  padding: 70px 0;
  text-align: center;
}

/* HERO */
.hero {
  background: linear-gradient(135deg, #3b82f6, #60a5fa);
  color: #fff;
  padding: 60px 0;
}

.badge {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 14px;
  background: rgba(0,0,0,0.25);
  padding: 6px 14px;
  border-radius: 20px;
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.highlight {
  color: #fde047;
}

.subtitle {
  max-width: 650px;
  margin: 0 auto 32px;
  color: rgba(255,255,255,0.95);
}

/* BUTTON */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
}

.btn-primary {
  background: #fde047;
  color: #1e3a8a;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}

.btn-secondary {
  background: #1e3a8a;
  color: #fff;
}

/* BENEFIT */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: #fff;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* SECTION */
.explain,
.testi {
  background: #f9fafb;
}

.quote {
  font-size: 18px;
  margin-bottom: 8px;
}

.author {
  font-size: 14px;
  color: #6b7280;
}

/* CTA */
.cta {
  background: #111827;
  color: #fff;
}

/* FOOTER */
footer {
  padding: 24px;
  text-align: center;
  font-size: 14px;
  color: #6b7280;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }
}