@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap');

:root {
  --primary: #0077B6;
  --secondary: #90E0EF;
  --text: #0f172a;
  --bg: #f8fcff;
  --card: #ffffff;
  --radius: 16px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
.container { width: min(1120px, 92%); margin: 0 auto; }
.site-header { position: sticky; top: 0; background: rgba(255,255,255,0.92); backdrop-filter: blur(8px); z-index: 10; border-bottom: 1px solid #e2e8f0; }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; }
.logo { font-weight: 700; color: var(--primary); text-decoration: none; }
nav a { margin-left: 18px; text-decoration: none; color: #1e293b; font-weight: 600; }

.hero { position: relative; min-height: 75vh; display: grid; }
.hero img { width: 100%; height: 75vh; object-fit: cover; filter: brightness(0.6); }
.hero-content { position: absolute; inset: 0; display: grid; align-content: center; color: white; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin-bottom: 8px; }
.btn { background: var(--primary); color: #fff; border: none; padding: 12px 20px; border-radius: 999px; text-decoration: none; display: inline-block; font-weight: 600; cursor: pointer; transition: .25s; }
.btn:hover { transform: translateY(-2px); background: #005d90; }

section { padding: 64px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); padding: 20px; border-radius: var(--radius); box-shadow: 0 12px 28px rgba(2, 132, 199, .12); }

.split { background: linear-gradient(120deg, #e8f8ff, #f8fcff); }
.split-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; align-items: center; }
.split img { width: 100%; border-radius: var(--radius); }

.budget-box { background: #fff; border: 1px solid #dbeafe; border-radius: var(--radius); padding: 20px; display: grid; gap: 10px; max-width: 520px; }
input, select { padding: 10px; border-radius: 10px; border: 1px solid #cbd5e1; }
.result { font-weight: 700; color: var(--primary); }

.site-footer { background: #06273a; color: #dbeafe; padding: 24px 0; margin-top: 40px; }

.reveal-on-scroll { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
.reveal-on-scroll.revealed { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .split-inner { grid-template-columns: 1fr; }
  nav a { margin-left: 10px; font-size: .92rem; }
}