/* ==========================================
   QUANTUM WORKFLOWS - EDITORIAL BASE STYLES
   ========================================== */

/* Import Google Fonts: Inter (Sans), Newsreader (Editorial Serif), JetBrains Mono (Technical Monospace) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=JetBrains+Mono:wght@400;500&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--color-text-body);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Headings - Editorial Serif Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 500;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
}

h4 {
  font-size: var(--fs-xl);
  font-family: var(--font-sans);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--color-accent);
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Technical Monospace & Editorial Classes */
.font-mono {
  font-family: var(--font-mono);
}

.font-serif {
  font-family: var(--font-serif);
}

.font-sans {
  font-family: var(--font-sans);
}

/* Selection Highlight */
::selection {
  background-color: rgba(196, 81, 45, 0.18);
  color: var(--color-text-primary);
}

/* Focus States for Accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Visually Hidden Helper */
.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;
}