:root {
  --navy: #0f2742;
  --pool-blue: #1f78b4;
  --aqua: #d9f3f6;
  --white: #ffffff;
  --text: #1f2d3d;
  --muted: #5e6b78;
  --shadow: 0 12px 30px rgba(15, 39, 66, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}
img { max-width: 100%; display: block; border-radius: 14px; }
a { color: inherit; text-decoration: none; }
.container { width: min(1100px, 92%); margin: 0 auto; }
.section { padding: 4rem 0; }
.section-alt { background: linear-gradient(180deg, #f7fcfd, #eef9fb); }

header {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.nav-wrap { display: flex; justify-content: space-between; align-items: center; padding: 0.95rem 0; gap: 1rem; }
.logo { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.4px; }
nav ul { list-style: none; display: flex; margin: 0; padding: 0; gap: 1rem; flex-wrap: wrap; }
nav a { padding: 0.35rem 0.4rem; border-radius: 5px; }
nav a:hover, nav a.active { background: rgba(255,255,255,0.16); }

.hero {
  background: linear-gradient(rgba(15,39,66,.82), rgba(15,39,66,.68)),
    url('https://images.unsplash.com/photo-1575429198097-0414ec08e8cd?auto=format&fit=crop&w=2000&q=80') center/cover;
  color: var(--white);
  min-height: 72vh;
  display: grid;
  align-items: center;
}
.hero h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.15; margin-bottom: .8rem; }
.hero p { font-size: 1.08rem; max-width: 62ch; }
.hero-subtitle { font-size: clamp(1.25rem, 2.4vw, 1.65rem); font-weight: 700; margin: 0 0 .65rem; }
.btn {
  display: inline-block;
  background: var(--pool-blue);
  color: var(--white);
  font-weight: 600;
  padding: 0.85rem 1.3rem;
  border-radius: 8px;
  margin-top: 0.9rem;
  border: none;
  cursor: pointer;
}
.btn.secondary { background: transparent; border: 2px solid var(--white); margin-left: .7rem; }

h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-top: 0; color: var(--navy); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
.card {
  background: var(--white);
  padding: 1.1rem;
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.highlight-card { border-top: 5px solid var(--pool-blue); }
.service-list li { margin-bottom: .7rem; }
.badge { color: var(--pool-blue); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: .8rem; }
.kicker { color: var(--muted); }

.faq details { background: var(--white); padding: 0.8rem 1rem; border-radius: 10px; margin-bottom: .7rem; box-shadow: 0 4px 14px rgba(0,0,0,.08); }
.faq summary { font-weight: 600; cursor: pointer; }

form { display: grid; gap: .9rem; }
input, select, textarea {
  width: 100%; padding: .8rem; border: 1px solid #c7d6df; border-radius: 8px; font: inherit;
}
textarea { min-height: 130px; }
label { font-weight: 600; font-size: .95rem; }
.footer { background: var(--navy); color: #dce7f2; padding: 2rem 0; margin-top: 3rem; }
.phone-pill { background: var(--aqua); color: var(--navy); padding: .5rem .8rem; border-radius: 999px; font-weight: 700; display: inline-block; }

.page-hero { background: linear-gradient(180deg, var(--navy), #17385f); color: var(--white); padding: 4.5rem 0 3.5rem; }

@media (max-width: 900px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .hero { min-height: 62vh; }
  nav ul { gap: .6rem; font-size: .95rem; }
}