/* 1. Root tokens (design system) */
:root {
  /* Brand colors */
  --nx-color-bg: #050508;
  --nx-color-surface: #0c0c12;
  --nx-color-primary: #ff4d5a;
  --nx-color-primary-soft: #ff9f3c;
  --nx-color-text: #f5f5f7;
  --nx-color-muted: #9b9bb3;
  --nx-color-border: rgba(255,255,255,0.08);

  /* Typography */
  --nx-font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Roboto", "Segoe UI", sans-serif;
  --nx-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --nx-font-size-xs: 0.75rem;
  --nx-font-size-sm: 0.875rem;
  --nx-font-size-md: 1rem;
  --nx-font-size-lg: 1.25rem;
  --nx-font-size-xl: 1.75rem;
  --nx-font-size-xxl: 2.5rem;

  /* Spacing */
  --nx-space-2: 0.5rem;
  --nx-space-3: 0.75rem;
  --nx-space-4: 1rem;
  --nx-space-6: 1.5rem;
  --nx-space-8: 2rem;

  /* Radius & shadow */
  --nx-radius-sm: 6px;
  --nx-radius-md: 10px;
  --nx-radius-pill: 999px;

  --nx-shadow-soft: 0 18px 40px rgba(0,0,0,0.35);
}

/* 2. Reset / base element styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  /* Prevent horizontal scroll */
  overflow-x: hidden;
  /* Ensure full width only */
  width: 100%;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  /* Prevent horizontal scroll */
  overflow-x: hidden;
  width: 100%;
  
  min-height: 100vh;
  font-family: var(--nx-font-sans);
  font-size: var(--nx-font-size-md);
  color: var(--nx-color-text);
  background: radial-gradient(circle at top, #141421 0, #050508 55%);
  -webkit-font-smoothing: antialiased;
}

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

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

/* 3. Typography scale */
h1, h2, h3, h4 {
  margin: 0 0 var(--nx-space-3);
  font-weight: 600;
  letter-spacing: 0.02em;
  /* Prevent text overflow */
  word-wrap: break-word;
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--nx-font-size-xxl);
  line-height: 1.1;
}

h2 {
  font-size: var(--nx-font-size-xl);
}

h3 {
  font-size: var(--nx-font-size-lg);
}

p {
  margin: 0 0 var(--nx-space-3);
  line-height: 1.6;
  /* Prevent text overflow */
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* 4. Layout helpers */
.nx-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--nx-space-4);
  /* Ensure container doesn't cause overflow */
  width: 100%;
}

/* 5. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.6rem;
  border-radius: var(--nx-radius-pill);
  border: 1px solid transparent;
  font-size: var(--nx-font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease-out, box-shadow 0.15s ease-out,
              background 0.15s ease-out, border-color 0.15s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, var(--nx-color-primary), var(--nx-color-primary-soft));
  color: #050508;
  box-shadow: var(--nx-shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 24px 55px rgba(0,0,0,0.55);
}

.btn-ghost {
  background: transparent;
  color: var(--nx-color-text);
  border-color: var(--nx-color-border);
}

.btn-ghost:hover {
  border-color: var(--nx-color-primary);
}

/* 6. Badges / labels */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--nx-radius-pill);
  font-size: var(--nx-font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--nx-color-muted);
}

/* Mobile responsive typography */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  h3 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }
  
  h2 {
    font-size: 1.3rem;
  }
}