:root {
  --bg: #121212;
  --bg-elevated: #1c1c1c;
  --bg-card: rgba(28, 28, 28, 0.92);
  --text: #f5f5f5;
  --text-muted: #cfcfcf;
  --accent: #e6b800;
  --accent-dark: #b89000;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

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

main {
  flex: 1;
}

.container {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 18, 18, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1rem 0;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo img {
  height: 64px;
  width: auto;
}

.navbar ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar a {
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  transition: color 0.2s ease, opacity 0.2s ease;
}

.navbar a:hover,
.navbar a:focus-visible {
  color: var(--accent);
}

.navbar a.active {
  color: var(--accent);
}

.page-section {
  padding: 4rem 0;
}

.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.section-heading {
  text-align: center;
  margin-bottom: 2rem;
}

.section-heading h1,
.section-heading h2 {
  margin: 0 0 0.75rem;
  color: var(--accent);
  line-height: 1.2;
}

.section-heading p {
  margin: 0 auto;
  max-width: 700px;
  color: var(--text-muted);
}

.btn,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn {
  background: var(--accent);
  color: #111;
}

.btn:hover,
.btn:focus-visible {
  background: #f2c81e;
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.site-footer {
  margin-top: auto;
  background: #101010;
  border-top: 1px solid var(--border);
}

.site-footer .container {
  padding: 1.25rem 0;
  text-align: center;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    gap: 1rem;
  }

  .navbar ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.9rem 1.25rem;
  }

  .logo img {
    height: 56px;
  }

  .page-section {
    padding: 3rem 0;
  }
}