:root {
  --primary: #0d7377;
  --secondary: #14919b;
  --accent: #32e0c4;
  --dark: #212121;
  --light: #f8f9fa;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark); background: var(--light); line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 92%; max-width: 1100px; margin: 0 auto; }

/* Header */
header {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white); padding: 1rem 0; box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
header .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.5px; }
.logo a { color: var(--white); }
nav ul { list-style: none; display: flex; gap: 1.2rem; margin: 0; padding: 0; flex-wrap: wrap; }
nav a { color: rgba(255,255,255,0.92); font-weight: 500; font-size: 0.95rem; }
nav a:hover { color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--white); padding: 3.5rem 0 4rem; text-align: center;
}
.hero h1 { font-size: 2.2rem; margin: 0 0 0.8rem; line-height: 1.2; }
.hero p { font-size: 1.15rem; margin: 0 auto 1.6rem; max-width: 700px; opacity: 0.95; }
.cta-btn {
  display: inline-block; background: var(--accent); color: var(--dark);
  padding: 0.85rem 2.2rem; border-radius: 6px; font-weight: 700;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2); transition: transform .15s;
}
.cta-btn:hover { transform: translateY(-2px); text-decoration: none; }

/* Main */
main { padding: 2.5rem 0; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.card {
  background: var(--white); border-radius: 10px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06); transition: transform .15s, box-shadow .15s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.10); }
.card img { width: 100%; height: 170px; object-fit: cover; }
.card-content { padding: 1.1rem; }
.card-content h3 { margin: 0 0 0.4rem; font-size: 1.1rem; }
.card-content p { margin: 0; font-size: 0.92rem; color: #555; }

section { margin-bottom: 2.2rem; }
h1, h2, h3 { color: var(--dark); }
h2 { border-bottom: 2px solid var(--accent); display: inline-block; padding-bottom: 0.25rem; margin-top: 0; }

/* Contact form */
.form-row { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.95rem; }
input, textarea {
  width: 100%; padding: 0.7rem; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
}
input:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(13,115,119,0.12); }
button[type=submit] {
  background: var(--primary); color: var(--white); border: none; padding: 0.85rem 2.4rem;
  border-radius: 6px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: background .15s;
}
button[type=submit]:hover { background: var(--secondary); }

/* Footer */
footer {
  background: var(--dark); color: #ccc; padding: 2.2rem 0 1.5rem; font-size: 0.92rem;
}
footer .container { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
footer h4 { color: var(--accent); margin: 0 0 0.6rem; font-size: 1rem; }
footer ul { list-style: none; margin: 0; padding: 0; }
footer li { margin-bottom: 0.35rem; }
footer a { color: #ccc; }
footer a:hover { color: var(--white); }
.footer-bottom { text-align: center; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid #444; color: #999; font-size: 0.85rem; }

/* Utility */
.text-center { text-align: center; }
.lead { font-size: 1.1rem; color: #444; }
.badge {
  display: inline-block; background: var(--primary); color: var(--white); padding: 0.35rem 0.8rem;
  border-radius: 20px; font-size: 0.78rem; font-weight: 700; margin-right: 0.4rem; margin-bottom: 0.4rem;
}

@media (max-width: 720px) {
  .hero h1 { font-size: 1.7rem; }
  nav ul { gap: 0.7rem; }
}