:root {
  --bg-gradient-start: #e0e5ec;
  --bg-gradient-end: #c8d0e7;
  --card-bg: #e0e5ec;
  --text-primary: #2d3748;
  --text-secondary: #4a5568;
  --accent: #1f3d94;
  --accent-light: #19c5c9;
  --shadow-dark: rgba(163, 177, 198, 0.6);
  --shadow-light: rgba(255, 255, 255, 0.8);
  --font-family: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
}

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

body {
  min-height: 100vh;
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(25, 197, 201, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(31, 61, 148, 0.1) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

.card {
  width: min(100%, 500px);
  background: var(--card-bg);
  border-radius: 40px;
  padding: 3rem 2rem;
  box-shadow: 
    20px 20px 60px var(--shadow-dark),
    -20px -20px 60px var(--shadow-light),
    inset 0 0 0 1px rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.logo {
  width: 200px;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  position: relative;
  z-index: 1;
}

.brand-name {
  font-size: 2.5rem;
  font-weight: 600;
  color: #1f3d94;
  text-shadow: 2px 2px 4px var(--shadow-dark), -2px -2px 4px var(--shadow-light);
  position: relative;
  z-index: 1;
}

.slogan {
  font-size: 1.2rem;
  font-weight: 500;
  color: #1f3d94;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 1px 1px 2px var(--shadow-dark), -1px -1px 2px var(--shadow-light);
  position: relative;
  z-index: 1;
}

.offer-box {
  width: 100%;
  background: var(--card-bg);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 
    inset 5px 5px 10px var(--shadow-dark),
    inset -5px -5px 10px var(--shadow-light);
  position: relative;
  z-index: 1;
}

.offer-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  text-align: center;
  text-shadow: 1px 1px 1px var(--shadow-light);
}

.whatsapp-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(145deg, var(--accent), var(--accent-light));
  border-radius: 50px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 
    8px 8px 20px var(--shadow-dark),
    -8px -8px 20px var(--shadow-light),
    inset 0 0 0 1px rgba(255, 255, 255, 0.3);
  transition: all 0.2s ease;
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.whatsapp-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.whatsapp-button:hover {
  transform: translateY(-2px);
  box-shadow: 
    12px 12px 25px var(--shadow-dark),
    -12px -12px 25px var(--shadow-light),
    inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

.whatsapp-button:active {
  transform: translateY(1px);
  box-shadow: 
    4px 4px 10px var(--shadow-dark),
    -4px -4px 10px var(--shadow-light),
    inset 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.button-text {
  position: relative;
  z-index: 2;
}

.button-gloss {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.4), transparent);
  border-radius: 50px 50px 0 0;
  pointer-events: none;
}

.legal-footer {
  margin-top: 2rem;
  width: min(100%, 500px);
  display: flex;
  justify-content: center;
}

.legal-card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 1rem 1.5rem;
  box-shadow: 
    5px 5px 15px var(--shadow-dark),
    -5px -5px 15px var(--shadow-light),
    inset 0 0 0 1px rgba(255, 255, 255, 0.6);
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.legal-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.legal-card strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 640px) {
  .card {
    padding: 2rem 1.5rem;
    border-radius: 30px;
  }
  
  .logo {
    width: 160px;
  }
  
  .brand-name {
    font-size: 2rem;
  }
  
  .legal-card {
    gap: 1rem;
  }
}