/* ==========================================================================
   Monitor Capital — Global (global.css)
   Modern reset, base element styling, layout utilities, accessibility base.
   Depends on tokens.css. No hardcoded values.
   ========================================================================== */

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--w-regular);
  line-height: var(--leading-normal);
  color: var(--color-body);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
img { background: var(--color-surface); }   /* subtle box while loading */

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select, button { font: inherit; }

/* ── Base typography ───────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  font-weight: var(--w-bold);
  text-wrap: balance;
}
p { max-width: var(--measure); }
strong { font-weight: var(--w-semibold); }

/* ── Layout utilities ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--section-y); }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--color-hero-bg); color: var(--color-inverse); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--color-inverse); }

/* department full-bleed sections set --section-accent per page */
.section--accent {
  background: var(--section-accent, var(--color-accent));
  color: var(--on-accent, var(--color-inverse));
}
.section--accent h1, .section--accent h2, .section--accent h3 { color: var(--on-accent, var(--color-inverse)); }

/* ── Section label + headline (the brand's editorial signature) ─────────── */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--w-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-text);
  margin-bottom: var(--space-4);
}
.section--dark  .section-label { color: var(--accent-on-dark, var(--color-accent)); }
.section--accent .section-label { color: var(--on-accent, rgba(255, 255, 255, 0.9)); }

.section-headline {
  font-size: var(--text-4xl);
  font-weight: var(--w-bold);
  letter-spacing: var(--tracking-tight);
  line-height: var(--leading-tight);
}

.lead { font-size: var(--text-lg); color: var(--color-muted); line-height: var(--leading-normal); }

/* spacing + alignment utilities */
.section-intro { margin-bottom: var(--space-12); max-width: 60ch; }
.mt-4 { margin-top: var(--space-4); }  .mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }  .mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.text-center { text-align: center; }   .mx-auto { margin-inline: auto; }

/* ── Red accent line ───────────────────────────────────────────────────── */
.accent-line { width: 48px; height: 3px; background: var(--color-accent); border: 0; }
.accent-line--full { width: 100%; }

/* ── Accessibility helpers ─────────────────────────────────────────────── */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: var(--space-4); top: -100px;
  background: var(--color-accent); color: var(--color-white);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-md);
  z-index: var(--z-modal); transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus { top: var(--space-4); }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}
.section--dark :focus-visible { outline-color: var(--color-white); }
.section--accent :focus-visible { outline-color: var(--on-accent, var(--color-white)); }

/* ── Scroll-reveal (driven by js/main.js; safe default = visible) ──────── */
.reveal { opacity: 1; transform: none; transition: opacity var(--dur-reveal) var(--ease-out), transform var(--dur-reveal) var(--ease-out); will-change: opacity, transform; }
.js .reveal { opacity: 0; transform: translateY(20px); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }
.reveal[data-delay="4"] { transition-delay: 320ms; }
.reveal[data-delay="5"] { transition-delay: 400ms; }

/* ── TODO gap marker (visible placeholder; never ships fictional content) ── */
.todo-gap {
  display: block;
  border: 1.5px dashed var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--w-medium);
}
.todo-gap::before { content: "⚠ TODO — "; font-weight: var(--w-bold); }

/* media placeholder (holds final aspect ratio so real images cause no CLS) */
.media-placeholder {
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface);
  color: var(--color-muted);
  border: 1px solid color-mix(in srgb, var(--color-primary) 10%, transparent);
  border-radius: var(--radius-lg);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.85;
  text-align: center;
  padding: var(--space-4);
}

/* ── Reduced motion: neutralise all non-essential motion ────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .js .reveal { opacity: 1; transform: none; }
}