/* ============================================
   CSS Reset
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

/* ============================================
   Body
   ============================================ */
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/images/npbk.jpg') center center / cover no-repeat;
  opacity: 0.08;
  z-index: -1;
  pointer-events: none;
}

/* ============================================
   Typography
   ============================================ */
h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--spacing-element);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: var(--spacing-element);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: var(--spacing-element);
}

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-element);
  line-height: 1.7;
}

/* Tablet and up: restore full typography scale */
@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-h1);
  }

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

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

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

a:hover {
  color: var(--text-primary);
}

a:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: 2px;
}

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

ul, ol {
  list-style: none;
}

/* ============================================
   Utility: Container
   ============================================ */
.container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-card);
  padding-right: var(--spacing-card);
}

/* ============================================
   Utility: Screen Reader Only
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only--focusable:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 0.75rem 1.5rem;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--bg-secondary);
  color: var(--accent-primary);
  font-size: var(--font-size-body);
  font-weight: 600;
  z-index: 10000;
  border: 2px solid var(--accent-primary);
}