/* styles/theme.css - global theme tokens for 402payments.com */
:root {
  --color-bg: #0b1018;
  --color-surface: rgba(16, 21, 32, 0.9);
  --color-surface-elevated: rgba(19, 26, 38, 0.95);
  --color-border: rgba(0, 255, 217, 0.24);
  --color-primary: #00ffd9;
  --color-secondary: #7f5af0;
  --color-accent: #ffb347;
  --color-text: #f4f7ff;
  --color-muted: rgba(244, 247, 255, 0.64);
  --color-success: #45f0a3;
  --color-warning: #ffb347;
  --color-danger: #ff5f6d;
  --shadow-soft: 0 16px 48px rgba(0, 0, 0, 0.45);
  --shadow-hard: 0 24px 60px rgba(0, 0, 0, 0.65);
  --gradient-hero: radial-gradient(circle at top left, rgba(0, 255, 217, 0.18), transparent 45%), radial-gradient(circle at bottom right, rgba(127, 90, 240, 0.22), transparent 50%);
  --font-sans: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --container-width: min(1200px, 92vw);
  --container-wide: min(1400px, 94vw);
  --space-xs: 0.4rem;
  --space-sm: 0.8rem;
  --space-md: 1.2rem;
  --space-lg: 2rem;
  --space-xl: 3.2rem;
  --space-xxl: 5.2rem;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --transition-fast: 160ms ease;
  --transition-medium: 260ms ease;
  --transition-slow: 420ms ease;
  --duration-type: 180ms;
  --noise-opacity: 0.08;
  --header-height: 70px;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-medium: 0ms;
    --transition-slow: 0ms;
    --duration-type: 0ms;
  }
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.7;
  background-image: var(--gradient-hero);
  background-size: cover;
}

main {
  flex: 1;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus-visible {
  color: var(--color-secondary);
}

p {
  color: var(--color-muted);
  max-width: 70ch;
}

code, pre {
  font-family: var(--font-mono);
}

.container {
  width: var(--container-width);
  margin: 0 auto;
}

.container-wide {
  width: var(--container-wide);
  margin: 0 auto;
}

.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(14px);
  background-color: rgba(11, 16, 24, 0.82);
  border-bottom: 1px solid var(--color-border);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-lg);
}

.site-nav a.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.site-nav a.nav-link {
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

.site-nav a.nav-link:focus-visible,
.site-nav a.nav-link:hover {
  background-color: rgba(127, 90, 240, 0.12);
}

footer {
  margin-top: auto;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  background: rgba(9, 14, 24, 0.85);
  backdrop-filter: blur(12px);
}

footer small {
  display: block;
  color: rgba(255, 255, 255, 0.58);
  text-align: center;
}

.footer-minimal {
  display: flex;
  justify-content: center;
  align-items: center;
}

main section {
  margin-bottom: clamp(4rem, 12vw, 6rem);
}

[data-noise]::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="2.8" numOctaves="3"/></filter><rect width="200" height="200" filter="url(%23n)" opacity="0.28"/></svg>');
  mix-blend-mode: soft-light;
  opacity: var(--noise-opacity);
}