html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", Arial, sans-serif;
  background: #f8fafc;
  color: #1e293b;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.header {
  background: linear-gradient(135deg, #0057ff, #00c6fb);
  color: #fff;
  text-align: center;
  padding: 50px 20px 40px;
  font-size: 2.2rem;
  font-weight: 700;
  border-bottom-left-radius: 24px;
  border-bottom-right-radius: 24px;
  box-shadow: 0 4px 20px rgba(0, 87, 255, 0.2);
}

.support-section {
  background: #fff;
  text-align: center;
  padding: 40px 30px;
  border-radius: 18px;
  margin: -30px auto 40px;
  max-width: 800px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.support-section h2 {
  font-size: 1.9rem;
  font-weight: 700;
  color: #0057ff;
  margin-bottom: 15px;
}

.support-section p {
  font-size: 1.1rem;
  color: #475569;
  max-width: 620px;
  margin: 0 auto;
}

.call-btn {
  display: inline-block;
  margin-top: 28px;
  background: #0057ff;
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 16px 40px;
  font-size: 1.08rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 87, 255, 0.12);
  transition: background 0.18s, transform 0.18s, box-shadow 0.18s;
}

.call-btn:hover {
  background: #003cb3;
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 24px rgba(0, 87, 255, 0.18);
}

/* Help Section */
.help-section {
  width: 100%;
  max-width: 900px;
  margin: 0 auto 60px;
  padding: 0 20px;
}

.help-section h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #003cb3;
  text-align: center;
  margin-bottom: 30px;
}

.help-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.help-item {
  background: #fff;
  border-radius: 16px;
  padding: 24px 20px;
  font-size: 1.05rem;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
}

.help-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 87, 255, 0.15);
}

.footer {
  background: #0f172a;
  color: #e2e8f0;
  text-align: center;
  font-size: 0.95rem;
  padding: 22px 15px;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}

/* Responsive */
@media (max-width: 600px) {
  .header {
    font-size: 1.8rem;
    padding: 36px 15px;
  }

  .support-section {
    margin: -20px auto 30px;
    padding: 28px 18px;
  }

  .help-item {
    font-size: 1rem;
  }
}