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

:root {
  --royal-blue: #2563eb;
  --sky-blue: #0ea5e9;
  --indigo: #4f46e5;
  --dark: #0f172a;
  --gray: #475569;
}

body { 
  font-family: 'Poppins', sans-serif; 
  background: #f8fafc;
  color: var(--gray); 
  line-height: 1.7;
  min-height: 100vh;
}

.header-wave {
  background: linear-gradient(135deg, var(--royal-blue), var(--sky-blue), var(--indigo));
  padding: 70px 30px 50px;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.3);
}

.header-wave::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  height: 50px;
  background: #f8fafc;
  clip-path: polygon(0 50%, 100% 0, 100% 100%, 0 100%);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: white;
  line-height: 1.2;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 1;
}

.content-area {
  max-width: 920px;
  margin: 40px auto 80px;
  padding: 0 30px;
}

.main-card {
  background: white;
  border-radius: 20px;
  padding: 60px;
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.08);
  border-top: 5px solid var(--royal-blue);
  position: relative;
}

.main-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05), transparent);
  border-radius: 50%;
  pointer-events: none;
}

article h2 {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--royal-blue);
  margin: 50px 0 25px;
  position: relative;
  padding-bottom: 15px;
}

article h2::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--sky-blue), var(--indigo));
  border-radius: 2px;
}

article h2:first-of-type { 
  margin-top: 0; 
}

article h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--sky-blue);
  margin: 35px 0 18px;
}

article p {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 22px;
  line-height: 1.85;
}

article a {
  color: white;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 30px;
  background: linear-gradient(135deg, var(--royal-blue), var(--sky-blue));
  border-radius: 50px;
  transition: all 0.3s;
  display: inline-block;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
}

article a:hover {
  background: linear-gradient(135deg, var(--indigo), var(--royal-blue));
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
}

.feature-boxes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 25px;
  margin: 45px 0;
}

.feature-box {
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 20px;
  padding: 35px;
  border: 2px solid #bfdbfe;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-box::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1), transparent);
  transition: all 0.5s;
}

.feature-box:hover::after {
  top: -25%;
  right: -25%;
}

.feature-box:hover {
  border-color: var(--royal-blue);
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(37, 99, 235, 0.15);
}

.feature-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

.feature-box h4 {
  font-size: 1.3rem;
  color: var(--royal-blue);
  margin-bottom: 12px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.feature-box p {
  font-size: 0.95rem;
  color: #1e40af;
  margin: 0;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.info-panel {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  border-radius: 20px;
  padding: 45px;
  margin: 45px 0;
  border-left: 6px solid var(--royal-blue);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.1);
}

.info-panel h4 {
  font-size: 1.8rem;
  color: var(--indigo);
  margin-bottom: 20px;
  font-weight: 700;
}

.info-panel p {
  color: #1e40af;
  font-weight: 600;
  line-height: 1.8;
}

footer {
  background: linear-gradient(135deg, #1e3a8a, #1e40af);
  color: #bfdbfe;
  text-align: center;
  padding: 40px 30px;
}

footer a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 768px) {
  .main-card { 
    padding: 40px 25px; 
  }
  .feature-boxes { 
    grid-template-columns: 1fr; 
  }
}