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

:root {
  --color-primary: #3bb0c9;
  --color-text: #f3f4f6;
  --color-bg: #000000;
  --color-line: rgba(255, 255, 255, 0.08);
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

#fx {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.5);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 64px;
}

.logo img {
  display: block;
  height: 48px;
  width: auto;
}

.hero {
  padding: 120px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: var(--color-primary);
}

.hero p {
  font-size: 1.125rem;
}

.section {
  padding: 80px 0;
  text-align: center;
}

.section h2 {
  margin-bottom: 16px;
}

.site-footer {
  padding: 24px 0;
  text-align: center;
  border-top: 1px solid var(--color-line);
}

@media (max-width: 600px) {
  .hero {
    padding: 80px 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }
}