/* css/base.css — Typography Hierarchy, Resets & Global Canvas */

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

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--canvas-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Procedural Halftone Dot Background Canvas */
body {
  background-image: radial-gradient(var(--halftone-tone) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
  background-position: 0 0;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Tactical Selection Highlight */
::selection {
  background-color: var(--magenta);
  color: var(--paper);
}

::-moz-selection {
  background-color: var(--magenta);
  color: var(--paper);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--panel-black);
  border-left: 1px solid var(--panel-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--magenta);
  border: 2px solid var(--panel-black);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  letter-spacing: 0.02em;
}

.font-display {
  font-family: var(--font-display) !important;
}

.font-mono {
  font-family: var(--font-mono) !important;
}

.font-pixel {
  font-family: var(--font-pixel) !important;
}

/* Hero Headline: Bungee, magenta fill + cyan comic print offset shadow */
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  color: var(--magenta);
  text-shadow: 3px 3px 0 var(--cyan);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

body.light-mode .hero-headline {
  color: var(--panel-black);
  text-shadow: 3px 3px 0 var(--magenta);
}

/* Section Titles: Bungee, clamp(1.75rem, 3vw, 2.25rem) */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.35rem);
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}

.section-title.title-magenta {
  color: var(--magenta);
  text-shadow: 2px 2px 0 var(--panel-black);
}

/* Telemetry Section Header Label */
.telemetry-header {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted-label);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.telemetry-header .code-index {
  color: var(--cyan);
  font-family: var(--font-pixel);
  font-size: 0.7rem;
}

/* Body Paragraphs */
p, .lead-tactical {
  font-family: var(--font-body);
  max-width: 68ch;
}

.lead-tactical {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-primary);
  font-weight: 400;
}

.text-muted-tactical {
  color: var(--text-secondary) !important;
}

/* Links */
a {
  color: var(--cyan);
  text-decoration: none;
  transition: all 0.15s ease-out;
}

a:hover {
  color: var(--magenta);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Code and Inline Telemetry */
code, kbd, pre, samp {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Core Tactical Color Utility Classes */
.text-magenta {
  color: var(--magenta) !important;
}

.text-cyan {
  color: var(--cyan) !important;
}

.text-acid {
  color: var(--acid-yellow) !important;
}

.text-paper {
  color: var(--paper) !important;
}

.text-ink {
  color: var(--ink) !important;
}

.bg-magenta {
  background-color: var(--magenta) !important;
}

.bg-cyan {
  background-color: var(--cyan) !important;
}

.bg-acid {
  background-color: var(--acid-yellow) !important;
}