/*
 * impeccable.style — shared styles for sub-pages and the site-wide header
 *
 * Imported by all generated pages under /skills, /anti-patterns, /tutorials,
 * and by the hand-authored pages (index, cheatsheet, gallery, privacy) via
 * a direct <link> tag so they all share the same header + prose typography.
 */

@import "./tokens.css";

/* ============================================
   BASE
   ============================================ */

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

/* ============================================
   SHARED SITE HEADER
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: 18px clamp(var(--spacing-md), 4vw, var(--spacing-2xl));
  background: color-mix(in oklch, var(--color-paper) 94%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid var(--color-mist);
}

.site-header-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  flex-shrink: 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.site-header-brand:hover {
  color: var(--color-accent);
}

.site-header-brand-name {
  display: inline-block;
}

.site-header-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--spacing-sm), 2vw, var(--spacing-lg));
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
}

.site-header-nav a {
  position: relative;
  color: var(--color-charcoal);
  padding: 4px 0;
  transition: color var(--duration-fast) var(--ease-out);
}

.site-header-nav a:hover {
  color: var(--color-accent);
}

.site-header-nav a[aria-current="page"] {
  color: var(--color-ink);
  font-weight: 600;
}

.site-header-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

@media (max-width: 720px) {
  .site-header {
    padding: 14px var(--spacing-md);
    gap: var(--spacing-sm);
  }

  .site-header-brand {
    font-size: 1.125rem;
  }

  .site-header-nav {
    font-size: 0.8125rem;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scrollbar-width: none;
  }

  .site-header-nav::-webkit-scrollbar {
    display: none;
  }

  .site-header-nav a[data-nav="github"] {
    display: none;
  }
}