:root {
  --bg: #f6f8fb;
  --text: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --primary: #0ea5a3;
  --primary-dark: #0b7f7e;
  --border: #e2e8f0;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background: radial-gradient(circle at top right, #dff8f7 0%, var(--bg) 40%);
  color: var(--text);
}
.container { width: min(1100px, 92%); margin: 0 auto; }

.hero { padding: 1.2rem 0 4rem; }
.nav { display: flex; justify-content: space-between; align-items: center; }
.nav h1 { font-size: 1.1rem; margin: 0; }

.hero-content { padding-top: 3rem; max-width: 760px; }
.tag {
  display: inline-block; background: #ccfbf1; color: #134e4a;
  padding: .3rem .6rem; border-radius: 999px; font-weight: 700; font-size: .82rem;
}
.hero h2 { font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.1; margin: 1rem 0; }
.hero p { color: var(--muted); }

.section { padding: 2rem 0; }
.section h3 { font-size: 1.6rem; margin-bottom: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.1rem;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
}
.card h4 { margin-top: 0; }

.form input, .form textarea {
  width: 100%; margin-bottom: .7rem; padding: .85rem;
  border: 1px solid var(--border); border-radius: 10px; font: inherit;
}

.btn {
  display: inline-block; border: 0; cursor: pointer; text-decoration: none;
  background: var(--primary); color: #fff; padding: .7rem 1rem;
  border-radius: 10px; font-weight: 700;
}
.btn:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }

.footer { text-align: center; color: var(--muted); padding: 2rem 1rem; }