:root {
  --bg: #100806;
  --bg-elev: rgba(36, 18, 14, 0.72);
  --ink: #fff8f3;
  --muted: #cbb3a7;
  --line: rgba(255, 140, 66, 0.22);
  --line-strong: rgba(255, 140, 66, 0.4);
  --accent: #ff8c42;
  --accent-2: #f0c14d;
  --accent-deep: #d4551a;
  --glow: rgba(255, 140, 66, 0.18);
  --max: 820px;
  --header-max: 1120px;
  --radius: 16px;
  --radius-sm: 12px;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --display: "Bricolage Grotesque", "Arial Black", sans-serif;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 520px at 8% -12%, rgba(255, 140, 66, 0.2), transparent 55%),
    radial-gradient(780px 460px at 92% 0%, rgba(196, 60, 44, 0.14), transparent 52%),
    radial-gradient(600px 400px at 50% 40%, rgba(240, 193, 77, 0.05), transparent 60%),
    linear-gradient(180deg, #0a0504 0%, var(--bg) 42%, #160c0a 100%);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
a { color: var(--accent-2); text-underline-offset: 0.15em; }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
.wrap { width: min(var(--max), calc(100% - 2rem)); margin-inline: auto; }
.site-header .wrap, .site-footer .wrap { width: min(var(--header-max), calc(100% - 2rem)); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; z-index: 40; background: #000; color: #fff; padding: .5rem 1rem; border-radius: 8px; }

.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(16px) saturate(1.2);
  background: rgba(10, 5, 4, 0.82);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 0.85rem; min-height: 68px; }
.brand {
  font-family: var(--display); font-weight: 800; text-decoration: none; color: var(--ink);
  font-size: 1.18rem; flex-shrink: 0; letter-spacing: -0.03em;
}
.brand span {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.header-actions { display: flex; align-items: center; gap: 0.55rem; flex-shrink: 0; }
.header-play, .button {
  display: inline-block;
  background: linear-gradient(135deg, #ff9a55 0%, var(--accent) 45%, var(--accent-deep) 100%);
  color: #1a0a05 !important; text-decoration: none; font-weight: 700;
  border-radius: 999px; padding: 0.62rem 1.1rem;
  box-shadow: 0 8px 24px rgba(212, 85, 26, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.header-play:hover, .button:hover {
  transform: translateY(-1px);
  filter: brightness(1.05);
  box-shadow: 0 12px 28px rgba(212, 85, 26, 0.38);
  color: #1a0a05 !important;
}
.button-ghost {
  background: transparent; border: 1px solid var(--line-strong); color: var(--ink) !important;
  margin-left: 0.45rem; box-shadow: none;
}
.button-ghost:hover { background: rgba(255, 140, 66, 0.1); box-shadow: none; filter: none; }
.nav-toggle {
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: rgba(255, 140, 66, 0.06); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 0.45rem 0.75rem; cursor: pointer;
}
.nav-toggle-bars {
  width: 18px; height: 12px;
  background:
    linear-gradient(var(--ink), var(--ink)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) 0 5px / 100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) 0 10px / 100% 2px no-repeat;
}
.nav-panel { display: none; }
body.nav-open .nav-panel {
  display: block; position: absolute; left: 0; right: 0; top: 100%;
  background: rgba(10,5,4,.97); border-top: 1px solid var(--line); padding: 0.85rem 1rem 1.1rem;
}
.nav-panel-inner { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; }
.nav-panel a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav-panel a:hover { color: var(--accent); }

.page-hero {
  padding: 2.8rem 0 1.6rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 140, 66, 0.06), transparent 70%);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.4rem;
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.74rem;
  color: var(--accent); font-weight: 700;
  padding: 0.28rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(255, 140, 66, 0.08);
}
.page-hero h1 {
  font-family: var(--display); font-size: clamp(1.95rem, 4.4vw, 3rem);
  line-height: 1.1; margin: 0.85rem 0 0.85rem; letter-spacing: -0.035em;
}
.deck { font-size: 1.05rem; max-width: 40rem; }
.deck, .byline, .fine { color: var(--muted); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.55rem; margin: 1.1rem 0 0.35rem; }
.diff-strip { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.35rem; }
.diff-strip span {
  border: 1px solid var(--line); border-radius: 999px; padding: 0.4rem 0.8rem;
  font-size: 0.84rem; color: var(--muted); background: rgba(255, 255, 255, 0.03);
}
.diff-strip strong { color: var(--accent-2); margin-right: 0.28rem; }

.article { padding: 2.2rem 0 4rem; }
.article h2 {
  font-family: var(--display); font-size: clamp(1.35rem, 2.5vw, 1.55rem);
  margin: 2.4rem 0 0.9rem; letter-spacing: -0.02em;
  padding-bottom: 0.45rem; border-bottom: 1px solid var(--line);
}
.article > p, .article > ol, .article > ul { margin: 0.75rem 0 1rem; }
.article table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  margin: 1.1rem 0 1.6rem; font-size: 0.95rem;
  border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden;
  background: var(--bg-elev); backdrop-filter: blur(8px);
}
.article th, .article td { border-bottom: 1px solid var(--line); padding: 0.7rem 0.8rem; text-align: left; vertical-align: top; }
.article tr:last-child th, .article tr:last-child td { border-bottom: 0; }
.article th { background: rgba(255, 140, 66, 0.1); color: var(--accent-2); font-weight: 700; }
.shot {
  margin: 1.5rem 0 1.75rem; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: #0a0504; box-shadow: var(--shadow);
}
.shot img { width: 100%; }
.shot figcaption {
  color: var(--muted); font-size: 0.86rem; margin: 0;
  padding: 0.75rem 0.95rem; background: rgba(20, 10, 8, 0.9); border-top: 1px solid var(--line);
}
.toc {
  margin: 1.35rem 0 1.85rem; padding: 1.1rem 1.2rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 140, 66, 0.1), rgba(20, 10, 8, 0.55));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.toc-label { margin: 0 0 0.65rem; font-weight: 700; color: var(--accent); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; }
.toc ol { margin: 0; padding-left: 1.15rem; columns: 1; }
.toc a { text-decoration: none; font-weight: 600; color: var(--ink); }
.toc a:hover { color: var(--accent); }

/* FAQ accordion */
.faq-list { display: grid; gap: 0.65rem; margin: 1rem 0 1.75rem; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.faq-item[open] {
  border-color: var(--line-strong);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.1rem; font-weight: 700; color: var(--ink);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(255, 140, 66, 0.06); }
.faq-q { flex: 1; line-height: 1.35; }
.faq-icon {
  width: 1.55rem; height: 1.55rem; flex-shrink: 0; border-radius: 999px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(var(--accent-2), var(--accent-2)) center / 10px 2px no-repeat,
    linear-gradient(var(--accent-2), var(--accent-2)) center / 2px 10px no-repeat,
    rgba(255, 140, 66, 0.08);
  transition: transform 0.2s ease, background-color 0.15s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background:
    linear-gradient(var(--accent), var(--accent)) center / 10px 2px no-repeat,
    rgba(255, 140, 66, 0.16);
}
.faq-a {
  padding: 0 1.1rem 1.05rem;
  color: var(--muted);
  border-top: 1px solid transparent;
}
.faq-item[open] .faq-a { border-top-color: var(--line); padding-top: 0.85rem; }
.faq-a p { margin: 0; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 1.6rem;
  background:
    radial-gradient(700px 280px at 10% 0%, rgba(255, 140, 66, 0.1), transparent 60%),
    linear-gradient(180deg, rgba(12, 6, 4, 0.2), #080403 40%);
}
.footer-shell { display: grid; gap: 1.75rem; }
.footer-top {
  display: grid;
  gap: 1.75rem 2rem;
  grid-template-columns: 1fr;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}
.footer-brand { display: grid; gap: 0.85rem; align-content: start; }
.footer-logo { font-size: 1.35rem; }
.footer-blurb { margin: 0; color: var(--muted); max-width: 28rem; font-size: 0.95rem; }
.footer-play { justify-self: start; }
.footer-heading {
  margin: 0 0 0.75rem;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
}
.footer-nav { display: grid; gap: 0.45rem; align-content: start; }
.footer-nav a {
  color: var(--ink); text-decoration: none; font-weight: 600;
  padding: 0.28rem 0; border-radius: 6px;
}
.footer-nav a:hover { color: var(--accent); }
.footer-langs-wrap { display: grid; gap: 0.85rem; align-content: start; }
.footer-langs-wrap > .lang-menu { justify-self: start; }
.footer-langs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}
.footer-lang {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.5rem 0.65rem; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
  color: var(--ink); text-decoration: none; font-size: 0.86rem; font-weight: 600;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.footer-lang:hover { border-color: var(--line-strong); background: rgba(255, 140, 66, 0.1); color: var(--accent-2); }
.footer-lang.is-current {
  border-color: var(--line-strong);
  background: rgba(255, 140, 66, 0.16);
  color: var(--accent-2);
}
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 0.65rem 1.25rem;
  align-items: center; justify-content: space-between;
}
.footer-mail { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 0.9rem; }
.footer-mail:hover { color: var(--accent); }
.copy { color: var(--muted); font-size: 0.88rem; margin: 0; }

@media (min-width: 720px) {
  .footer-langs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1.2fr 0.8fr; }
}
@media (min-width: 980px) {
  .footer-top { grid-template-columns: 1.3fr 0.7fr 1.2fr; }
  .footer-langs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.lang-menu { position: relative; }
.lang-trigger {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: rgba(255, 140, 66, 0.08); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 0.42rem 0.7rem; cursor: pointer; font: inherit; font-weight: 600;
  max-width: min(46vw, 11.5rem);
}
.lang-trigger-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 0.86rem;
}
.lang-flag { font-size: 1.15rem; line-height: 1; flex-shrink: 0; }
.lang-caret {
  width: 0; height: 0; margin-left: 0.1rem; flex-shrink: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid var(--muted);
}
.lang-menu.is-open .lang-caret { transform: rotate(180deg); }
.lang-panel {
  position: absolute; right: 0; top: calc(100% + 0.45rem); z-index: 40;
  width: min(92vw, 300px); max-height: min(70vh, 440px); overflow: auto;
  background: rgba(14, 7, 5, 0.98); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0.45rem; box-shadow: var(--shadow);
}
.lang-panel[hidden] { display: none !important; }
.lang-item {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 0.55rem;
  padding: 0.58rem 0.7rem; border-radius: 10px; text-decoration: none; color: var(--ink);
}
.lang-item:hover, .lang-item:focus-visible { background: rgba(255, 140, 66, 0.12); outline: none; }
.lang-item.is-current { background: rgba(255, 140, 66, 0.18); color: var(--accent-2); }
.lang-name { font-weight: 600; font-size: 0.92rem; }
.lang-code { color: var(--muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.04em; }

@media (max-width: 959px) {
  body.lang-open { overflow: hidden; }
  .lang-panel {
    position: fixed; left: 0.75rem; right: 0.75rem; top: 4.35rem; width: auto;
    max-height: calc(100vh - 5.5rem);
  }
  .header-inner { gap: 0.45rem; min-height: 60px; }
  .brand { font-size: 1.02rem; max-width: 42vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .header-actions { gap: 0.35rem; }
  .header-play {
    padding: 0.48rem 0.7rem; font-size: 0.8rem;
    max-width: 7.2rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .nav-toggle { padding: 0.42rem 0.55rem; }
  .nav-toggle-label { display: none; }
  .lang-trigger {
    padding: 0.42rem 0.5rem;
    max-width: none;
    min-width: 2.5rem;
    justify-content: center;
  }
  .lang-trigger-label { display: none; }
  .lang-caret { margin-left: 0.15rem; }
  .cta-row .button-ghost { margin-left: 0; }
  .footer-langs { grid-template-columns: 1fr; }
  .footer-lang span:not(.lang-flag) { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media (max-width: 420px) {
  .header-play { max-width: 5.8rem; padding-inline: 0.55rem; }
  .brand { max-width: 38vw; }
}


@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav-panel { display: block; position: static; border: 0; background: transparent; padding: 0; flex: 1; }
  .nav-panel-inner { justify-content: center; flex-wrap: nowrap; gap: 0.85rem; }
  .nav-panel a { font-size: 0.9rem; }
  .lang-trigger-label { max-width: 9rem; }
  .toc ol { columns: 2; column-gap: 1.5rem; }
}