:root {
  --font-primary: 'Inter', sans-serif; /* Substitute for SeoulNamsan */
  --font-secondary: 'Russo One', sans-serif;
  --font-tertiary: 'Tilt Warp', sans-serif;
  --color-purple-dark: #281e6e;
  --color-purple-mid: #5427b1;
  --color-purple-light: #b960e6;
  --color-yellow: #f5cc50;
  --color-white: #ffffff;
  --color-black: #000000;
  --text-light: #f1f1f1;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background-color: #000;
  color: var(--color-white);
  background-image: url('images/c36a2e14267fdf5bdbdff1a6aa783b574f834acb.png');
  background-size: cover;
  background-position: top center;
  background-repeat: no-repeat;
  overflow-x: hidden;
  /* Performance optimizations */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.page-wrapper {
  max-width: 1920px;
  margin: 0 auto;
  position: relative;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
  position: relative;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  border-radius: 10px;
  padding: 15px 30px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  min-width: 180px;
  box-sizing: border-box;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-primary);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, #5427b1 0%, #9c20e5 100%);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #6530c9 0%, #b030ff 100%);
  box-shadow: 0 5px 20px rgba(84, 39, 177, 0.5);
}

.btn-secondary {
  background: linear-gradient(135deg, #f5cc50 0%, #e6a823 100%);
  color: #000;
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #ffdb6b 0%, #f5b934 100%);
  box-shadow: 0 5px 20px rgba(245, 204, 80, 0.5);
}

.btn-icon {
  font-size: 20px;
  font-weight: bold;
}

.btn-text {
  font-size: 16px;
  font-weight: 600;
}