@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --sci-canvas: #f4f4f5;
  --sci-canvas-alt: #eaeaeb;
  --sci-text: #0a0a0a;
  --sci-text-muted: #52525b;
  --sci-blue-gray: #6b7f8c;
  --sci-teal: #3a9aad;
  --sci-teal-dark: #2d7a89;
  --sci-teal-light: #e8f4f6;
  --sci-border: #d4d4d8;
  --sci-white: #ffffff;
  --sci-dark: #18181b;
  --sci-dark-surface: #27272a;

  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);

  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--sci-text);
  background: var(--sci-canvas);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

.logo-wrap {
  display: inline-flex;
  align-items: baseline;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.logo-sc {
  color: var(--sci-blue-gray);
}

.logo-i {
  color: var(--sci-teal);
}

.logo-full {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--sci-text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary {
  background: var(--sci-teal);
  color: var(--sci-white);
}

.btn-primary:hover {
  background: var(--sci-teal-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--sci-text);
  border: 1.5px solid var(--sci-border);
}

.btn-outline:hover {
  border-color: var(--sci-teal);
  color: var(--sci-teal);
}

.btn-dark {
  background: var(--sci-dark);
  color: var(--sci-white);
}

.btn-dark:hover {
  background: var(--sci-dark-surface);
  transform: translateY(-1px);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sci-teal);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.container {
  width: min(1120px, 92vw);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}