/* ═══════════════════════════════════════════  RVer Blog — tokens  ═══ */
/* Mirrors landing/src/style.css so blog matches the marketing site. */
:root {
  --accent:    #5b8dff;
  --accent-15: color-mix(in srgb, #5b8dff 15%, transparent);
  --accent-08: color-mix(in srgb, #5b8dff 8%, transparent);
  --accent-ink: color-mix(in srgb, #5b8dff 70%, black);

  --bg:        #ffffff;
  --bg-sunk:   color-mix(in srgb, #f2f2f0 92%, black);
  --bg-card:   #ffffff;
  --ink:       #111317;
  --ink-soft:  color-mix(in srgb, #111317 65%, #f2f2f0);
  --ink-mute:  color-mix(in srgb, #111317 42%, #f2f2f0);
  --rule:      color-mix(in srgb, #111317 12%, transparent);
  --rule-soft: color-mix(in srgb, #111317 7%, transparent);

  --serif: "Barlow Condensed", "Oswald", "Inter Tight", system-ui, sans-serif;
  --sans:  "Inter Tight", system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  --mono:  "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --nav-h: 64px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:       #0d0f12;
    --bg-sunk:  #141619;
    --bg-card:  #15181c;
    --ink:      #f3f4f6;
    --ink-soft: color-mix(in srgb, #f3f4f6 72%, #0d0f12);
    --ink-mute: color-mix(in srgb, #f3f4f6 50%, #0d0f12);
    --rule:     color-mix(in srgb, #f3f4f6 16%, transparent);
    --rule-soft:color-mix(in srgb, #f3f4f6 9%, transparent);
  }
}

/* ═══════════════════════════════════════════════════  RESET  ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.65;
}
img, video, svg { display: block; max-width: 100%; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: var(--accent); color: #fff; }

/* ═══════════════════════════════════════════════════  NAV  ═══ */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--rule-soft);
}
.nav .brand { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-weight: 700; font-size: 22px; letter-spacing: .01em; color: var(--ink); }
.nav .brand img { height: 26px; width: auto; }
.nav .links { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav .links a { color: var(--ink-soft); }
.nav .lang { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; }

/* ═══════════════════════════════════════════════════  LAYOUT  ═══ */
.wrap { max-width: 760px; margin: 0 auto; padding: 0 32px; }
.eyebrow {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: .1em; color: var(--ink-mute); text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════  ARTICLE  ═══ */
.post-head { padding: 72px 0 40px; border-bottom: 1px solid var(--rule-soft); }
.post-head h1 {
  font-family: var(--serif); font-weight: 700; font-size: clamp(34px, 6vw, 56px);
  line-height: 1.05; letter-spacing: -0.01em; margin: 16px 0 18px; color: var(--ink);
}
.post-head .lede { font-size: 20px; color: var(--ink-soft); line-height: 1.55; }
.post-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 22px; font-family: var(--mono); font-size: 12px; color: var(--ink-mute); }

.article { padding: 44px 0 64px; }
.article h2 { font-family: var(--serif); font-weight: 600; font-size: 30px; line-height: 1.15; margin: 44px 0 14px; color: var(--ink); }
.article h3 { font-family: var(--serif); font-weight: 600; font-size: 22px; margin: 32px 0 10px; color: var(--ink); }
.article p { margin: 0 0 20px; }
.article ul, .article ol { margin: 0 0 20px; padding-left: 22px; }
.article li { margin: 0 0 8px; }
.article strong { color: var(--ink); font-weight: 600; }
.article blockquote {
  margin: 28px 0; padding: 14px 22px; border-left: 3px solid var(--accent);
  background: var(--accent-08); color: var(--ink-soft); font-size: 18px; border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.article .note {
  margin: 28px 0; padding: 18px 22px; border: 1px solid var(--rule);
  border-radius: var(--r-md); font-size: 15px; color: var(--ink-soft);
}

.cta {
  margin: 48px 0 0; padding: 32px; border-radius: var(--r-lg);
  background: var(--bg-sunk); border: 1px solid var(--rule-soft); text-align: center;
}
.cta h3 { font-family: var(--serif); font-size: 26px; margin-bottom: 10px; color: var(--ink); }
.cta p { color: var(--ink-soft); margin-bottom: 18px; }
.btn {
  display: inline-block; padding: 13px 26px; border-radius: var(--r-md);
  background: var(--accent); color: #fff !important; font-weight: 600; font-size: 15px;
}
.btn:hover { text-decoration: none; filter: brightness(1.06); }

/* ═══════════════════════════════════════════════════  INDEX  ═══ */
.index-head { padding: 72px 0 28px; }
.index-head h1 { font-family: var(--serif); font-weight: 700; font-size: clamp(36px, 7vw, 60px); line-height: 1.04; margin: 14px 0 14px; color: var(--ink); }
.index-head p { font-size: 19px; color: var(--ink-soft); max-width: 620px; }
.post-list { padding: 24px 0 8px; display: grid; gap: 4px; }
.blog-js .post-card.is-hidden { display: none; }
.post-card { display: block; padding: 26px 0; border-top: 1px solid var(--rule-soft); }
.post-card:hover { text-decoration: none; }
.post-card .tag { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.post-card h2 { font-family: var(--serif); font-weight: 600; font-size: 27px; line-height: 1.12; margin: 8px 0 8px; color: var(--ink); }
.post-card p { color: var(--ink-soft); font-size: 16px; }
.post-card .date { font-family: var(--mono); font-size: 12px; color: var(--ink-mute); margin-top: 10px; }

/* ═══════════════════════════════════════════════  FILTER + SEARCH  ═══ */
.blog-controls {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px;
  padding: 18px 0 6px; border-top: 1px solid var(--rule-soft);
}
.blog-search {
  flex: 1 1 220px; min-width: 170px;
  font-family: var(--sans); font-size: 15px; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--rule);
  padding: 10px 2px; outline: none; transition: border-color .18s var(--ease);
}
.blog-search::placeholder { color: var(--ink-mute); }
.blog-search:focus { border-bottom-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-mute); background: transparent; border: 1px solid var(--rule);
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.chip:hover { color: var(--ink); border-color: var(--ink-mute); }
.chip.is-active { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-08); }

.blog-meta { display: flex; flex-direction: column; align-items: center; gap: 18px; padding: 16px 0 72px; }
.blog-count { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; color: var(--ink-mute); }
.load-more {
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink); background: transparent; border: 1px solid var(--rule);
  padding: 13px 28px; border-radius: var(--r-md); cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.load-more:hover { color: var(--accent-ink); border-color: var(--accent); background: var(--accent-08); }
.no-results { text-align: center; color: var(--ink-mute); font-size: 16px; padding: 32px 0 72px; }

/* ═══════════════════════════════════════════════════  FOOTER  ═══ */
.foot { border-top: 1px solid var(--rule-soft); padding: 36px 0; color: var(--ink-mute); font-size: 13px; }
.foot a { color: var(--ink-soft); }
.foot .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .wrap { padding: 0 22px; }
  .nav { padding: 0 20px; }
  .nav .links { gap: 14px; }
}