:root {
  --ocean: #0f4c5c;
  --ocean-hover: #0a3642;
  --text: #2c3e50;
  --muted: #5a6a7a;
  --bg: #ffffff;
  --alt-bg: #f8fafc;
  --border: #e2e8f0;
  --accent: #d97706;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--text); background: var(--bg); line-height: 1.65; }
a { color: var(--ocean); text-decoration: none; }
header { background: #fff; border-bottom: 1px solid var(--border); padding: 1.1rem 2rem; position: sticky; top: 0; z-index: 100; }
.nav-inner { max-width: 1140px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.brand { font-size: 1.35rem; font-weight: 700; color: var(--ocean); letter-spacing: -0.01em; }
.brand span { display: block; font-size: 0.8rem; font-weight: 400; color: var(--muted); }
nav a { margin-left: 1.5rem; font-weight: 500; color: var(--text); font-size: 0.98rem; }
nav a:hover, nav a.active { color: var(--ocean); text-decoration: underline; text-underline-offset: 6px; }
.hero { background: linear-gradient(rgba(15, 76, 92, 0.55), rgba(15, 76, 92, 0.55)), url('images/shared-estate/kailua-beach-hero.jpg') center/cover no-repeat; color: #fff; text-align: center; padding: 5.5rem 1.5rem; }
.hero h1 { font-size: clamp(1.9rem, 3.8vw, 2.8rem); font-weight: 700; margin-bottom: 0.75rem; text-shadow: 0 2px 8px rgba(0,0,0,0.35); }
.hero p { max-width: 720px; margin: 0 auto 1.5rem; font-size: 1.12rem; }
.btn { display: inline-block; background: var(--ocean); color: #fff; padding: 0.7rem 1.45rem; border-radius: 5px; font-weight: 600; border: none; cursor: pointer; font-size: 0.98rem; }
.btn:hover { background: var(--ocean-hover); }
.container { max-width: 1140px; margin: 0 auto; padding: 3.25rem 1.5rem; }
.section-title { text-align: center; margin-bottom: 2.25rem; }
.section-title h2 { font-size: 1.95rem; color: var(--ocean); margin-bottom: 0.35rem; }
.section-title p { color: var(--muted); font-size: 1.05rem; }
.highlights { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin: 2rem 0 3rem; }
.highlight-box { background: var(--alt-bg); border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; }
.highlight-box h3 { color: var(--ocean); margin-bottom: 0.5rem; font-size: 1.15rem; }
.unit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 2rem; }
.unit-card { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; display: flex; flex-direction: column; transition: box-shadow 0.2s; }
.unit-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.07); }
.unit-card img { width: 100%; height: 230px; object-fit: cover; background: #e2e8f0; }
.unit-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.unit-card h3 { font-size: 1.4rem; color: var(--ocean); margin-bottom: 0.25rem; }
.unit-sub { font-size: 0.9rem; font-weight: 600; color: var(--muted); margin-bottom: 0.85rem; }
.unit-card-body .btn { margin-top: auto; text-align: center; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.gallery-item { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #fff; }
.gallery-item img { width: 100%; height: 200px; object-fit: cover; display: block; background: #e2e8f0; }
.gallery-item figcaption { padding: 0.5rem 0.75rem; font-size: 0.85rem; color: var(--muted); text-align: center; }
.split-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2.5rem; align-items: start; margin-bottom: 2.5rem; }
.cal-box { background: var(--alt-bg); border: 1px solid var(--border); border-radius: 8px; padding: 1.25rem; }
.cal-box h3 { color: var(--ocean); margin-bottom: 0.5rem; font-size: 1.2rem; }
.cal-box iframe { width: 100%; height: 380px; border: 1px solid var(--border); border-radius: 6px; background: #fff; }
form { background: var(--alt-bg); padding: 2rem; border-radius: 8px; border: 1px solid var(--border); max-width: 720px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.92rem; }
input, select, textarea { width: 100%; padding: 0.65rem; border: 1px solid #cbd5e1; border-radius: 5px; font-size: 1rem; background: #fff; }
footer { background: var(--alt-bg); border-top: 1px solid var(--border); padding: 2.5rem 1.5rem; text-align: center; font-size: 0.9rem; color: var(--muted); }
footer .footer-links { margin-bottom: 1rem; }
footer .footer-links a { margin: 0 0.75rem; font-weight: 500; }
@media (max-width: 768px) {
  .split-layout, .form-row { grid-template-columns: 1fr; }
  nav a { margin-left: 0.9rem; }
}