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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: white;
}

a { text-decoration: none; }

header {
  background: white;
  border-bottom: 2px solid #E0F2FE;
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-placeholder {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #0284C7 0%, #06B6D4 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 24px;
}

.brand-text h1 {
  font-size: 24px;
  font-weight: 600;
  color: #0284C7;
  margin: 0;
}

.brand-text p {
  font-size: 12px;
  color: #0891B2;
  margin: 0;
}

nav a {
  color: #4b5563;
  margin-left: 2rem;
  font-size: 14px;
  transition: color 0.3s;
}

nav a:hover, nav a.active {
  color: #0284C7;
  font-weight: 600;
}

.page-hero {
  background:
    linear-gradient(135deg, rgba(2,132,199,0.82) 0%, rgba(6,182,212,0.82) 100%),
    url('images/pool-hero.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 3.5rem 2rem;
  text-align: center;
}

.page-hero h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.page-hero p {
  font-size: 17px;
  opacity: 0.95;
  max-width: 650px;
  margin: 0 auto;
}

.cta-button {
  display: inline-block;
  background: white;
  color: #0284C7;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  border: none;
  font-size: 16px;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.content-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3.5rem 2rem;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: #0284C7;
  margin-bottom: 0.5rem;
  text-align: center;
}

.section-subtitle {
  text-align: center;
  color: #6b7280;
  margin-bottom: 2.5rem;
  font-size: 16px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: white;
  border: 1px solid #E0F2FE;
  border-radius: 12px;
  padding: 2rem;
  transition: box-shadow 0.3s, transform 0.3s;
}

.card:hover {
  box-shadow: 0 10px 30px rgba(2, 132, 199, 0.1);
  transform: translateY(-5px);
}

footer {
  background: #0C3D5C;
  color: white;
  text-align: center;
  padding: 2rem;
  font-size: 14px;
}

footer a {
  color: #7dd3fc;
}

.signup-banner {
  background: #0C3D5C;
  color: white;
  text-align: center;
  padding: 12px 1rem;
  font-size: 14px;
  cursor: pointer;
}
.signup-banner strong { color: #7dd3fc; }

@media (max-width: 768px) {
  .page-hero h2 { font-size: 30px; }
  nav { display: none; }
  .section-title { font-size: 26px; }
}