:root {
  --primary-color: #f9a825;
  --primary-light: #ffcc66;
  --secondary-color: #87ceeb;
  --bg-color: #0a0f2a;
  --bg-gradient-end: #2a1a40;
  --text-color: #f0e6d2;
  --heading-color: #ffffff;
  --subtle-text: #cccccc;
  --subtle-bg: #101535;
  --border-color: #333858;
  --card-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  --button-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  --code-bg: #1e222c;
  --border-anim-speed: 2s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

@font-face {
  font-family: "Inter";
  src: url("/static/fonts/Inter-Regular.woff2") format("woff2");
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-color);
  background-image: linear-gradient(
    135deg,
    var(--bg-color) 0%,
    var(--bg-gradient-end) 100%
  );
  overflow-x: hidden;
}

.container {
  max-width: 1140px;
  width: 90%;
  margin: 0 auto;
  padding: 0 1rem;
}

.main-header {
  background-color: rgba(10, 15, 42, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.main-header.scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.main-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
  text-decoration: none;
}

.logo span {
  color: var(--secondary-color);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: var(--primary-color);
}

.main-nav a.active {
  color: var(--primary-color);
}

.main-footer {
  text-align: center;
  padding: 2.5rem 0;
  font-size: 0.9em;
  color: var(--subtle-text);
  background-color: var(--bg-color);
  border-top: 1px solid var(--border-color);
}

.main-footer a {
  color: var(--primary-light);
  text-decoration: none;
}

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

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  box-shadow: var(--button-shadow);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-color);
}

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-light);
  border: 1px solid var(--primary-light);
}

.btn-secondary:hover {
  background-color: rgba(249, 168, 37, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}