/* =========================================
   Portfolio Theme — Ranga Prasad
   Single source of truth for all pages
   Path: /assets/site.css
   ========================================= */

/* ---------- Tokens ---------- */
:root {
  /* Text colors */
  --fg: #d0d3e5;     /* body text (softened) */
  --muted: #9aa5c5;  /* meta/secondary */
  --header: #e7e9f7; /* headings only */

  /* Surfaces & accents */
  --bg: #0b0f19;     /* background gradient start */
  --bg2: #101426;    /* background gradient end */
  --card: #121833;   /* card fill */
  --card-border: #222c52; 
  --chip-bg: #151b33;
  --chip-border: #28345d;
  --link: #a9b6ff;   /* links */
  --accent: #6ea8fe; /* small accents */

  /* Radii & spacing */
  --radius: 16px;
  --pad: 18px;

  /* Shadows */
  --shadow: 0 8px 32px rgba(20,35,85,.28);
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

/* ---------- Body & Typography ---------- */
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), var(--bg2));
  color: var(--fg);
  line-height: 1.7;         /* easier reading */
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  color: var(--header);
  line-height: 1.3;
  font-weight: 700;
  margin: 0 0 10px;
}

p, .lede, .block {
  color: var(--fg);
  font-weight: 500;         /* avoids looking washed out on dark bg */
  margin: 0 0 10px;
}

.meta, .chip, small { color: var(--muted); }

/* ---------- Links ---------- */
a {
  color: var(--link);
  text-decoration: none;
  transition: color .15s ease, opacity .15s ease, box-shadow .15s ease;
}
a:hover { color: #bfc9ff; }
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- Layout ---------- */
.wrap { max-width: 1100px; margin: 0 auto; padding: 40px 20px 72px; }
header .bar { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; color: var(--link); }

/* Reusable grids (repos, demos, work pages) */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
  margin: 22px 0;
}

/* ---------- Cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 160px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: #2b3d7a; }
.card h3 { margin: 0 0 6px; }

/* ---------- Chips / tags ---------- */
.chip {
  display: inline-block;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  padding: 6px 10px;
  margin: 6px 6px 0 0;
  font-size: 12px;
}

/* ---------- CTA buttons ---------- */
.cta a {
  display: inline-block;
  border: 1px solid var(--chip-border);
  border-radius: 10px;
  padding: 10px 12px;
  margin-right: 8px;
  font-size: 13px;
  color: var(--link);
}
.cta a:hover { background: var(--chip-bg); }

/* ---------- Utility blocks for battlecards ---------- */
.block { margin: 8px 0; }
.block strong { color: #e0e5ff; }

/* ---------- Hub-specific small bits (optional) ---------- */
.tag {
  display: inline-flex; gap: 8px; align-items: center;
  padding: 6px 10px; border: 1px solid #243056; border-radius: 999px;
  color: #b7c3ea; background: #0f1730; font-size: 13px;
}
.kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  background: #101426; border: 1px solid #263055; border-bottom-width: 2px;
  border-radius: 6px; padding: 1px 6px; font-size: 12px; color: #9db0ff;
}

/* ---------- Accessibility / motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .card:hover { transform: none; box-shadow: none; }
}

/* ---------- Optional: Light mode (auto) ----------
   Uncomment if you want a light appearance when the OS is light.
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9ff;
    --bg2: #eef2ff;
    --card: #ffffff;
    --card-border: #d9e1ff;
    --fg: #1b2335;
    --muted: #5b6785;
    --header: #0f1222;
    --link: #2b55ff;
    --chip-bg: #f2f5ff;
    --chip-border: #dbe3ff;
  }
  body { background: linear-gradient(180deg, var(--bg), var(--bg2)); }
  .card:hover { border-color: #b9c4ff; box-shadow: 0 6px 20px rgba(35,48,120,.14); }
}
*/

/* === Muted / Washed Tone (scoped) === */
.tone-washed h1, 
.tone-washed h2, 
.tone-washed h3 {
  /* slightly softer headings */
  color: color-mix(in srgb, var(--header) 86%, transparent);
  font-weight: 600;
  letter-spacing: -0.005em;
}

.tone-washed .lede,
.tone-washed p,
.tone-washed li {
  /* body copy softened + lighter weight */
  color: color-mix(in srgb, var(--fg) 82%, transparent);
  font-weight: 400;
}

.tone-washed .meta,
.tone-washed small,
.tone-washed .chip {
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}

.tone-washed a {
  /* links less punchy */
  color: color-mix(in srgb, var(--link) 88%, transparent);
}

/* Fallback for older browsers without color-mix */
@supports not (color: color-mix(in srgb, white, transparent)) {
  .tone-washed h1,
  .tone-washed h2,
  .tone-washed h3 { color: rgba(231,233,247,0.86); font-weight: 600; }
  .tone-washed .lede,
  .tone-washed p,
  .tone-washed li { color: rgba(208,211,229,0.82); font-weight: 400; }
  .tone-washed .meta,
  .tone-washed small,
  .tone-washed .chip { color: rgba(154,165,197,0.78); }
  .tone-washed a { color: rgba(169,182,255,0.88); }
}
/* Wash only the first two direct children inside .grid */
.grid > *:nth-child(-n+2) :is(h1,h2,h3) {
  color: color-mix(in srgb, var(--header) 86%, transparent);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.grid > *:nth-child(-n+2) :is(p,li,.lede) {
  color: color-mix(in srgb, var(--fg) 82%, transparent);
  font-weight: 400;
}
.grid > *:nth-child(-n+2) :is(.meta,small,.chip) {
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}
.grid > *:nth-child(-n+2) a {
  color: color-mix(in srgb, var(--link) 88%, transparent);
}

/* Fallback if color-mix unsupported */
@supports not (color: color-mix(in srgb, white, transparent)) {
  .grid > *:nth-child(-n+2) :is(h1,h2,h3){ color: rgba(231,233,247,.86); }
  .grid > *:nth-child(-n+2) :is(p,li,.lede){ color: rgba(208,211,229,.82); }
  .grid > *:nth-child(-n+2) :is(.meta,small,.chip){ color: rgba(154,165,197,.78); }
  .grid > *:nth-child(-n+2) a{ color: rgba(169,182,255,.88); }
}

/* === CANONICAL WASH STYLES vFinal (2025-09-06) === */

/* Grid tidy + cards */
.grid { align-items: stretch; }
.grid .card {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 12px;
}

/* Lists and link blocks in cards */
.card ul { list-style: disc outside; margin: 0; padding-left: 1.1rem; }
.card li { margin: 6px 0; }
.card .links a { display: block; margin: 6px 0; }

/* "See also" strip */
.strip {
  margin-top: 24px;
  padding: 14px 18px;
  background: rgba(18, 24, 51, 0.6);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.strip h4 { margin: 0 8px 0 0; font-size: 14px; color: #c7d2ff; font-weight: 600; }
.strip a { margin-right: 12px; }

/* Header wash — bulletproof (covers nested spans/strong) */
.wrap > header.tone-washed h1,
.wrap > header.tone-washed h1 *,
.wrap > header.tone-washed h2,
.wrap > header.tone-washed h3{
  color: color-mix(in srgb, var(--header) 86%, transparent) !important;
  font-weight: 600 !important;
  letter-spacing: -0.005em !important;
}
.wrap > header.tone-washed .lede,
.wrap > header.tone-washed .lede *,
.wrap > header.tone-washed p,
.wrap > header.tone-washed p *,
.wrap > header.tone-washed li{
  color: color-mix(in srgb, var(--fg) 82%, transparent) !important;
  font-weight: 400 !important;
}
.wrap > header.tone-washed .meta,
.wrap > header.tone-washed .meta *,
.wrap > header.tone-washed small,
.wrap > header.tone-washed .chip{
  color: color-mix(in srgb, var(--muted) 78%, transparent) !important;
}
.wrap > header.tone-washed a{
  color: color-mix(in srgb, var(--link) 88%, transparent) !important;
}

/* Wash-only-on-first-two (opt-in) */
.grid.wash-first-2 > *:nth-child(-n+2) :is(h1,h2,h3){
  color: color-mix(in srgb, var(--header) 86%, transparent);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.grid.wash-first-2 > *:nth-child(-n+2) :is(p,li,.lede){
  color: color-mix(in srgb, var(--fg) 82%, transparent);
  font-weight: 400;
}
.grid.wash-first-2 > *:nth-child(-n+2) :is(.meta,small,.chip){
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}
.grid.wash-first-2 > *:nth-child(-n+2) a{
  color: color-mix(in srgb, var(--link) 88%, transparent);
}

/* Wash-all (opt-in) */
.grid.wash-all > * :is(h1,h2,h3){
  color: color-mix(in srgb, var(--header) 86%, transparent);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.grid.wash-all > * :is(p,li,.lede){
  color: color-mix(in srgb, var(--fg) 82%, transparent);
}
.grid.wash-all > * :is(.meta,small,.chip){
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}
.grid.wash-all > * a{
  color: color-mix(in srgb, var(--link) 88%, transparent);
}

/* Fallbacks when color-mix unsupported */
@supports not (color: color-mix(in srgb, white, transparent)) {
  .wrap > header.tone-washed h1,
  .wrap > header.tone-washed h1 *,
  .wrap > header.tone-washed h2,
  .wrap > header.tone-washed h3 { color: rgba(231,233,247,.86) !important; }
  .wrap > header.tone-washed .lede,
  .wrap > header.tone-washed .lede *,
  .wrap > header.tone-washed p,
  .wrap > header.tone-washed p *,
  .wrap > header.tone-washed li { color: rgba(208,211,229,.82) !important; }
  .wrap > header.tone-washed .meta,
  .wrap > header.tone-washed .meta *,
  .wrap > header.tone-washed small,
  .wrap > header.tone-washed .chip { color: rgba(154,165,197,.78) !important; }
  .wrap > header.tone-washed a { color: rgba(153,171,255,.88) !important; }

  .grid.wash-first-2 > *:nth-child(-n+2) :is(h1,h2,h3),
  .grid.wash-all > * :is(h1,h2,h3){ color: rgba(231,233,247,.86) }
  .grid.wash-first-2 > *:nth-child(-n+2) :is(p,li,.lede),
  .grid.wash-all > * :is(p,li,.lede){ color: rgba(208,211,229,.82) }
  .grid.wash-first-2 > *:nth-child(-n+2) :is(.meta,small,.chip),
  .grid.wash-all > * :is(.meta,small,.chip){ color: rgba(154,165,197,.78) }
  .grid.wash-first-2 > *:nth-child(-n+2) a,
  .grid.wash-all > * a{ color: rgba(153,171,255,.88) }
}