/* Arcane Programmer: one stylesheet for every page. Colors live in :root only. */

@font-face {
  font-family: "Cinzel";
  src: url("/assets/fonts/cinzel-latin-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Cinzel";
  src: url("/assets/fonts/cinzel-latin-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-latin-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-latin-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  --bg: #0B0A14;
  --raised: #141026;
  --border: #2A2345;
  --text: #E9E6F5;
  --muted: #A49FBF;
  --gold: #E8C26A;
  --gold-hi: #FBE9B7;
  --cyan: #6EE7F0;
  --violet: #4B3399;

  --glow-gold: color-mix(in srgb, var(--gold) 38%, transparent);
  --gold-soft: color-mix(in srgb, var(--gold) 14%, transparent);
  --cyan-soft: color-mix(in srgb, var(--cyan) 12%, transparent);

  --font-display: "Cinzel", "Trajan Pro", Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --gutter: clamp(16px, 5vw, 40px);
  --radius: 4px;
}

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

html {
  background:
    radial-gradient(ellipse 70% 40% at 75% 0%, color-mix(in srgb, var(--violet) 32%, transparent), transparent 70%),
    radial-gradient(ellipse 60% 35% at 0% 55%, color-mix(in srgb, var(--violet) 16%, transparent), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  color: var(--text);
  font: 400 1rem/1.65 var(--font-body);
  overflow-x: hidden;
}

/* Arcane dust: two static star layers plus one that twinkles. */
body::before, body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
body::before {
  opacity: 0.55;
  background-image:
    radial-gradient(1px 1px at 12% 18%, var(--text) 50%, transparent 52%),
    radial-gradient(1px 1px at 47% 63%, var(--text) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 81% 27%, var(--gold) 50%, transparent 52%),
    radial-gradient(1px 1px at 29% 88%, var(--text) 50%, transparent 52%),
    radial-gradient(1px 1px at 93% 79%, var(--text) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 66% 8%, var(--cyan) 50%, transparent 52%),
    radial-gradient(1px 1px at 5% 52%, var(--text) 50%, transparent 52%);
  background-size: 523px 487px;
}
body::after {
  opacity: 0.8;
  background-image:
    radial-gradient(1.4px 1.4px at 22% 34%, var(--gold-hi) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 71% 72%, var(--cyan) 50%, transparent 52%),
    radial-gradient(1.4px 1.4px at 88% 14%, var(--gold-hi) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 38% 91%, var(--text) 50%, transparent 52%),
    radial-gradient(1.2px 1.2px at 9% 77%, var(--cyan) 50%, transparent 52%);
  background-size: 691px 613px;
  animation: twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle {
  from { opacity: 0.15; }
  to { opacity: 0.9; }
}

img, svg { display: block; max-width: 100%; }
a { color: var(--gold); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--gold-hi); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 20;
  padding: 0.6rem 1rem;
  background: var(--gold);
  color: var(--bg);
  font: 600 0.85rem var(--font-mono);
  text-decoration: none;
}
.skip-link:focus { top: 8px; color: var(--bg); }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding-block: 0.6rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--gold);
  font: 700 0.95rem/1 var(--font-display);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand img { width: 34px; height: 34px; }
.site-nav { order: 3; width: 100%; }
.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.site-nav a, .lang a, .lang span {
  display: inline-block;
  padding: 0.35rem 0;
  color: var(--muted);
  font: 400 0.8rem var(--font-mono);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.site-nav a:hover, .lang a:hover { color: var(--gold); }
.site-nav .num { display: none; margin-right: 0.4em; color: var(--gold); }
.lang { display: flex; gap: 0.2rem; align-items: center; }
.lang a, .lang span { padding: 0.35rem 0.55rem; border: 1px solid transparent; }
.lang [aria-current] { color: var(--gold); border-color: var(--border); background: var(--raised); }

@media (min-width: 560px) {
  .site-nav .num { display: inline; }
}
@media (min-width: 860px) {
  .site-nav { order: 0; width: auto; }
  .site-nav ul { gap: 0 1.6rem; }
  .header-row { flex-wrap: nowrap; }
}

/* Hero */
.hero {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(2rem, 6vw, 5rem) clamp(2.5rem, 7vw, 5rem);
}
.hero-sigil {
  width: min(78vw, 320px);
  margin-inline: auto;
  filter: drop-shadow(0 0 28px var(--gold-soft)) drop-shadow(0 0 70px var(--cyan-soft));
}
.hero-sigil svg { width: 100%; height: auto; overflow: visible; }
/* Avatar inside the sigil's inner ring (r = 80 of 400). */
.hero-sigil { position: relative; }
.hero-avatar {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 38%;
  height: auto;
  border: 2px solid var(--gold);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 4px var(--bg), 0 0 24px var(--glow-gold);
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font: 400 0.8rem/1.5 var(--font-mono);
  letter-spacing: 0.08em;
}
.eyebrow::before { content: "◆ "; color: var(--gold); }
.hero h1 {
  margin: 0;
  font: 700 clamp(2.5rem, 9.5vw, 5rem)/1.02 var(--font-display);
  letter-spacing: 0.02em;
  color: var(--gold);
  background: linear-gradient(180deg, var(--gold-hi) 0%, var(--gold) 55%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}
.hero .title {
  margin: 0.9rem 0 1.6rem;
  color: var(--text);
  font: 500 clamp(0.95rem, 3.2vw, 1.25rem)/1.4 var(--font-display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.incantation {
  position: relative;
  margin: 0 0 1.8rem;
  padding: 1rem 1.1rem 1rem 1.2rem;
  background: color-mix(in srgb, var(--raised) 85%, transparent);
  border: 1px solid var(--border);
  border-left: 2px solid var(--cyan);
  color: var(--text);
  font: 400 clamp(0.78rem, 2.9vw, 0.95rem)/1.7 var(--font-mono);
  overflow-wrap: anywhere;
  text-shadow: 0 0 14px var(--cyan-soft);
}
.incantation .prompt { color: var(--cyan); }
.incantation .fn { color: var(--gold); }
.incantation .str { color: var(--gold-hi); }
.incantation .cursor {
  display: inline-block;
  width: 0.55em;
  height: 1.05em;
  margin-left: 0.2em;
  vertical-align: text-bottom;
  background: var(--cyan);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.cta { display: flex; flex-wrap: wrap; gap: 0.8rem; }

@media (min-width: 900px) {
  .hero { grid-template-columns: 1.15fr 0.85fr; gap: 3rem; }
  .hero-sigil { order: 2; width: min(100%, 440px); }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold);
  font: 600 0.82rem/1.2 var(--font-mono);
  letter-spacing: 0.05em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s, color 0.2s;
}
.btn:hover {
  background: var(--gold-soft);
  color: var(--gold-hi);
  box-shadow: 0 0 22px var(--glow-gold);
}
.btn.primary { background: var(--gold); color: var(--bg); }
.btn.primary:hover { background: var(--gold-hi); color: var(--bg); }
.btn.quiet { border-color: var(--border); color: var(--text); }
.btn.quiet:hover { border-color: var(--gold); color: var(--gold-hi); }
/* Hero buttons: real action on top, lore phrase below. */
.btn.btn-lore { flex-direction: column; align-items: flex-start; gap: 0.15rem; padding-block: 0.6rem; }
.btn-lore .btn-label { font-size: 0.9rem; }
.btn-lore .btn-sub { font: 400 0.72rem/1.2 var(--font-mono); letter-spacing: 0.04em; opacity: 0.75; }
.btn.small { min-height: 40px; padding: 0.4rem 0.85rem; font-size: 0.78rem; }

/* Chapters */
.chapter-section { padding-block: clamp(2.5rem, 7vw, 4.5rem); }
.chapter {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 2rem;
  font: 700 clamp(1.6rem, 5vw, 2.2rem)/1.1 var(--font-display);
  letter-spacing: 0.06em;
  color: var(--text);
}
.chapter .numeral {
  display: grid;
  place-items: center;
  flex: none;
  min-width: 2.6rem;
  height: 2.6rem;
  padding: 0 0.5rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font: 600 0.85rem var(--font-mono);
  letter-spacing: 0;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--border), 0 0 20px var(--gold-soft);
}
.chapter-text { display: flex; flex-direction: column; gap: 0.35rem; }
.chapter-lore {
  color: var(--gold);
  font: 500 clamp(0.8rem, 2.4vw, 0.95rem)/1.2 var(--font-display);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.chapter::after {
  content: "";
  flex: 1;
  height: 1px;
  min-width: 1.5rem;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0.55;
}

/* Cards */
.card {
  position: relative;
  padding: 1.4rem;
  background: var(--raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.card::before {
  --c: var(--gold);
  --m: 14px;
  --t: 2px;
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  background:
    linear-gradient(var(--c), var(--c)) left top / var(--m) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) left top / var(--t) var(--m) no-repeat,
    linear-gradient(var(--c), var(--c)) right top / var(--m) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) right top / var(--t) var(--m) no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / var(--m) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) left bottom / var(--t) var(--m) no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / var(--m) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) right bottom / var(--t) var(--m) no-repeat;
  opacity: 0.75;
  transition: opacity 0.25s;
}
.card:hover, .card:focus-within {
  border-color: color-mix(in srgb, var(--gold) 55%, var(--border));
  box-shadow: 0 0 0 1px var(--gold-soft), 0 0 34px var(--gold-soft);
}
.card:hover::before, .card:focus-within::before { opacity: 1; }
.card h3 { margin: 0; font: 700 1.15rem/1.3 var(--font-display); letter-spacing: 0.04em; color: var(--gold-hi); }
.card p { margin: 0; }

/* Grimoire: apps */
.apps { display: grid; gap: 1.2rem; margin: 0; padding: 0; list-style: none; }
.app { display: flex; flex-direction: column; gap: 1rem; height: 100%; }
.app-head { display: flex; align-items: center; gap: 1rem; }
.app-icon {
  flex: none;
  width: 68px;
  height: 68px;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 0 0 3px var(--bg), 0 0 18px var(--gold-soft);
}
.platform {
  display: block;
  margin-top: 0.25rem;
  color: var(--cyan);
  font: 400 0.75rem var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.app-desc { color: var(--text); flex: 1; }
.links { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.more { margin: 1.8rem 0 0; }

@media (min-width: 720px) {
  .apps { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 980px) {
  .apps { grid-template-columns: repeat(3, 1fr); }
}

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 0; padding: 0; list-style: none; }
.chips li {
  padding: 0.18rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--muted);
  font: 400 0.76rem/1.5 var(--font-mono);
}
.arsenal { gap: 0.7rem; }
.arsenal li {
  padding: 0.45rem 0.9rem;
  background: var(--raised);
  color: var(--text);
  font-size: 0.88rem;
  transition: border-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.arsenal li::before { content: "◆"; margin-right: 0.55em; color: var(--gold); font-size: 0.7em; vertical-align: 0.1em; }
.arsenal li:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 18px var(--cyan-soft); }

/* Chronicle: timeline */
.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.6rem;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--border) 85%, transparent);
}
.entry { position: relative; margin-bottom: 1.1rem; }
.entry:last-child { margin-bottom: 0; }
.entry::before {
  content: "";
  position: absolute;
  left: calc(-1.6rem + 1px);
  top: 1.55rem;
  width: 9px;
  height: 9px;
  background: var(--bg);
  border: 1px solid var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 12px var(--glow-gold);
}
.entry:first-child::before { background: var(--gold); }
.when { margin-bottom: 0.35rem !important; color: var(--cyan); font: 400 0.78rem var(--font-mono); letter-spacing: 0.05em; }
.org { margin-top: 0.15rem !important; color: var(--text); }
.org .place { color: var(--muted); }
.entry .chips, .entry .note { margin-top: 0.8rem; }
.note { color: var(--muted); font-size: 0.92rem; }

/* Lore */
.lore { display: grid; gap: 1.2rem; }
.lore .card { display: flex; flex-direction: column; gap: 1rem; }
.lore h3 + p, .lore p { color: var(--text); }
.place-line { color: var(--cyan) !important; font: 400 0.8rem var(--font-mono); letter-spacing: 0.06em; }
.place-line::before { content: "◆ "; color: var(--gold); }
.edu { margin: 0; padding: 0; list-style: none; display: grid; gap: 1.1rem; }
.edu li { padding-left: 0.9rem; border-left: 1px solid var(--gold); }
.edu strong { display: block; color: var(--gold-hi); font: 700 1rem/1.35 var(--font-display); letter-spacing: 0.03em; }
.edu span { display: block; color: var(--text); }
.edu .org { color: var(--muted); }

@media (min-width: 900px) {
  .lore { grid-template-columns: 1.25fr 1fr; }
}

/* Summon */
.summon {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.summon li {
  display: grid;
  gap: 0.5rem 1rem;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--border);
}
.summon li:first-child { padding-top: 0; }
.summon li:last-child { padding-bottom: 0; border-bottom: 0; }
.rune-key { color: var(--cyan); font: 400 0.82rem var(--font-mono); letter-spacing: 0.06em; }
.rune-key::before { content: "> "; color: var(--gold); }
.summon .val { font: 400 clamp(0.88rem, 3.6vw, 1.05rem) var(--font-mono); overflow-wrap: anywhere; }
.summon code {
  font: inherit;
  color: var(--gold-hi);
  user-select: all;
  -webkit-user-select: all;
}
.gh-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem 1rem; }
.status { color: var(--cyan); font: 400 0.78rem var(--font-mono); }

@media (min-width: 720px) {
  .summon li { grid-template-columns: 9rem 1fr; }
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding-block: 2rem 2.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font: 400 0.8rem var(--font-mono);
  text-align: center;
}
.site-footer p { margin: 0; }
.site-footer .sep { color: var(--gold); }

/* 404 */
.lost { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-block: 3rem; }
.lost .hero-sigil { width: min(60vw, 220px); margin-bottom: 1.5rem; }
.lost h1 { margin: 0 0 0.6rem; font: 700 clamp(3.5rem, 18vw, 7rem)/1 var(--font-display); color: var(--gold); letter-spacing: 0.08em; }
.lost p { margin: 0 0 0.4rem; color: var(--text); }
.lost .btn { margin-top: 1.5rem; }

/* Sigil animation (hero only) */
.sg-gold { fill: none; stroke: var(--gold); }
.sg-dim { fill: none; stroke: var(--gold); opacity: 0.5; }
.sg-cyan-dim { fill: none; stroke: var(--cyan); opacity: 0.6; }
.sg-node { fill: var(--cyan); }
.sg-core { fill: none; stroke: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan)); }
.sg-runes { fill: none; }
.sg-runes, .sg-star { transform-origin: 50% 50%; }
.sg-runes { animation: spin 140s linear infinite; }
.sg-star { animation: spin 90s linear infinite reverse; }
.sg-node { animation: pulse 3.2s ease-in-out infinite alternate; }
.sg-core { animation: pulse 4.5s ease-in-out infinite alternate; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { from { opacity: 0.55; } to { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}