/* Reset & Global */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background: #f4f7fa;
  color: #333;
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* Navbar */
.navbar {
  background: linear-gradient(to right, #003973, #e5e5be);
  padding: 1rem 2rem;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar .logo {
  font-size: 24px;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav-links li a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.nav-links li a:hover {
  border-bottom: 2px solid white;
}

/* Auth Buttons */
.auth-buttons {
  display: flex;
  justify-content: center;
  padding: 1rem;
  gap: 1rem;
  background: #fff;
}

.auth-buttons .btn {
  background: #0052cc;
  color: white;
  padding: 10px 20px;
  border: none;
  font-weight: bold;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s ease;
}

.auth-buttons .btn:hover {
  background: #003d99;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(to bottom, #fff, #eef2f7);
}

.hero h1 {
  font-size: 40px;
  margin-bottom: 10px;
  color: #003973;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
}

.shortener-box {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.shortener-box input {
  padding: 12px;
  width: 300px;
  border: 1px solid #ccc;
  border-radius: 8px;
}

.shortener-box button {
  background: #28a745;
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s ease;
}

.shortener-box button:hover {
  background: #218838;
}

/* CPM Section */
.cpm-section {
  background: #f0fff4;
  padding: 50px 20px;
  text-align: center;
}

.cpm-section h2 {
  color: #2f855a;
  font-size: 28px;
  margin-bottom: 15px;
}

.cpm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.cpm-grid div {
  background: #ffffff;
  border: 1px solid #c6f6d5;
  padding: 10px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
}

.note {
  font-size: 14px;
  margin-top: 20px;
  color: #555;
}

/* Content Boxes */
.content-box {
  max-width: 960px;
  margin: 40px auto;
  background: white;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.content-box h2 {
  color: #1a202c;
  font-size: 26px;
  margin-bottom: 20px;
}

.earnings-list {
  list-style: none;
  padding-left: 0;
}

.earnings-list li {
  margin-bottom: 12px;
  padding-left: 20px;
  position: relative;
}

.earnings-list li::before {
  content: "💼";
  position: absolute;
  left: 0;
}

/* Footer */
footer {
  background: #1a202c;
  color: white;
  text-align: center;
  padding: 30px 20px;
  font-size: 15px;
}

footer a {
  color: #90cdf4;
  margin: 0 10px;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.modal.hidden {
  display: none;
}

.modal-box {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.2);
}

.modal-box h2 {
  margin-bottom: 10px;
  color: #003973;
}

.modal-box p {
  font-size: 14px;
  margin-bottom: 20px;
}

.modal-box input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.modal-box .btn.full {
  width: 100%;
  margin-top: 10px;
}

.footer-text {
  margin-top: 15px;
  font-size: 13px;
  text-align: center;
}

.footer-text a {
  color: #0052cc;
  text-decoration: none;
}