:root {
  --primary: #2c3e50;
  --accent: #3498db;
  --bg: #f4f4f4;
  --text: #333;
  --header-height: 50px; /* compact header height */
}

/* ------------------------------
   GLOBAL
------------------------------ */
html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ------------------------------
   HEADER
------------------------------ */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--primary);
  color: #fff;
  padding: 0.6rem 2rem; /* compact vertical padding */
  text-align: center;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

header * {
  color: inherit;
}

header a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

header a:hover {
  color: var(--accent);
}

/* ------------------------------
   MAIN CONTENT
------------------------------ */

main {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  padding: 2rem 4rem; /* horizontal spacing */
  margin-top: 1rem; /* small spacing for all pages */
}

/* Extra top/bottom spacing just for the first page */
.first-page {
  margin-top: 10.5rem;  /* adjust to match header height */
}


/* ------------------------------
   PAGE SECTIONS
------------------------------ */

/* ------------------------------
   HEADINGS
------------------------------ */
h2 {
  color: var(--accent);
  margin-top: 1rem; /* tighter spacing */
}

/* ------------------------------
   LISTS
------------------------------ */
ul {
  list-style: none;
  padding: 0;
}

ul li::before {
  content: "✔️";
  margin-right: 0.5rem;
}

/* ------------------------------
   PAY BUTTON
------------------------------ */
.pay-button {
  display: inline-block;
  background-color: #2d7a5f;
  color: white;
  font-size: 1.2rem;
  font-weight: bold;
  padding: 16px 32px;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

.pay-button:hover {
  background-color: #24634e;
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.pay-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* ------------------------------
   CONTACT SECTION
------------------------------ */
.contact {
  text-align: center;
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

/* ------------------------------
   FOOTER
------------------------------ */
footer {
  text-align: center;
  font-size: 0.9rem;
  color: #777;
  padding: 2rem 1rem;
}

/* ------------------------------
   ANCHOR OFFSET (for navigation links)
------------------------------ */