/* Shared document stylesheet for Lattice content pages (About / Contact / Terms /
   How-to-Play landing links). Mirrors the inline design system used by
   support.html + privacy.html (same tokens, nav, footer), plus a `.prose` block
   for long-form editorial content. Kept as a linked file so the content pages
   stay lean and consistent. */

:root {
  --ink-0:   #0F1318;
  --ink-1:   #1C2735;
  --ink-2:   #12302F;
  --mint:    #74C7BE;
  --cream:   #ECE8DE;
  --warmgray:#A39D8E;
  --green:   #82CFA1;
  --salmon:  #E2897B;

  --hairline:        rgba(236,232,222,0.10);
  --hairline-strong: rgba(236,232,222,0.16);
  --glass:           rgba(236,232,222,0.035);
  --mint-soft:       rgba(116,199,190,0.14);
  --mint-line:       rgba(116,199,190,0.34);

  --font: ui-rounded, "SF Pro Rounded", -apple-system, system-ui, "Segoe UI", sans-serif;

  --fs-eyebrow: clamp(0.70rem, 0.66rem + 0.18vw, 0.80rem);
  --fs-body:    clamp(1.02rem, 0.98rem + 0.30vw, 1.14rem);
  --fs-lead:    clamp(1.18rem, 1.04rem + 0.70vw, 1.5rem);
  --fs-h3:      clamp(1.12rem, 1.02rem + 0.5vw, 1.34rem);
  --fs-h2:      clamp(1.4rem, 1.18rem + 1.0vw, 1.9rem);
  --fs-h1:      clamp(2.2rem, 1.6rem + 2.6vw, 3.6rem);

  --pad-x: clamp(1.25rem, 5vw, 5rem);
  --maxw: 860px;
  --radius: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--cream);
  background-color: var(--ink-0);
  background-image:
    radial-gradient(120% 70% at 50% -10%, rgba(116,199,190,0.10) 0%, rgba(116,199,190,0) 55%),
    radial-gradient(90% 60% at 88% 4%, rgba(28,39,53,0.5) 0%, rgba(28,39,53,0) 60%),
    linear-gradient(168deg, var(--ink-0) 0%, var(--ink-1) 60%, var(--ink-2) 100%);
  background-attachment: fixed;
  line-height: 1.62;
  font-size: var(--fs-body);
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: rgba(116,199,190,0.30); color: #fff; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

.grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.shell { position: relative; z-index: 1; }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }

a:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 8px; }

/* ---------- NAV ---------- */
header.nav {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  background: linear-gradient(180deg, rgba(15,19,24,0.86), rgba(15,19,24,0.5));
  border-bottom: 1px solid transparent;
  transition: border-color .4s var(--ease);
}
header.nav.scrolled { border-bottom-color: var(--hairline); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.66em; font-weight: 700; letter-spacing: -0.01em; }
.brand img { width: 34px; height: 34px; border-radius: 9px; box-shadow: 0 4px 14px -4px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.06) inset; }
.brand .nm { font-size: 1.08rem; }
.back {
  font-size: var(--fs-eyebrow); font-weight: 600; color: var(--cream);
  padding: 0.6em 1.15em; border-radius: 999px;
  border: 1px solid var(--hairline-strong); background: var(--glass);
  display: inline-flex; align-items: center; gap: 0.5em;
  transition: border-color .35s var(--ease), background .35s var(--ease), transform .35s var(--ease);
  white-space: nowrap;
}
.back:hover { border-color: var(--mint-line); background: rgba(116,199,190,0.08); transform: translateY(-1px); }
.back svg { width: 0.95em; height: 0.95em; }

/* ---------- DOC ---------- */
.doc { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(4rem, 9vw, 7rem); }
.eyebrow {
  font-size: var(--fs-eyebrow); letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--mint); font-weight: 600;
  display: inline-flex; align-items: center; gap: 0.7em;
}
.eyebrow::before { content: ""; width: 1.9em; height: 1px; background: linear-gradient(90deg, transparent, var(--mint)); opacity: 0.9; }

.doc h1 { margin-top: 1rem; font-size: var(--fs-h1); font-weight: 800; letter-spacing: -0.03em; line-height: 1.02; }
.lede {
  margin-top: 1.6rem;
  font-size: var(--fs-lead); color: var(--cream); font-weight: 450; line-height: 1.5;
  max-width: 56ch;
}
.lede b { color: var(--mint); font-weight: 600; }

/* contact CTA card */
.contact-card {
  margin-top: clamp(2rem, 4vw, 2.8rem);
  padding: clamp(1.5rem, 3.5vw, 2.2rem);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(116,199,190,0.10), transparent 60%),
    linear-gradient(160deg, rgba(34,46,61,0.45), rgba(15,20,28,0.3));
  border: 1px solid var(--mint-line);
  box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 30px 60px -45px rgba(0,0,0,0.8);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem 1.6rem;
}
.contact-card .ct-copy h2 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.015em; }
.contact-card .ct-copy p { margin-top: 0.4rem; color: var(--warmgray); font-size: 0.96rem; }
.contact-card .ct-copy p b { color: var(--cream); font-weight: 600; }
.mail-btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  padding: 0.9em 1.4em; border-radius: 999px;
  font-weight: 650; color: #08110F; line-height: 1;
  background: linear-gradient(180deg, #8ad6cd, var(--mint));
  box-shadow: 0 1px 0 rgba(255,255,255,0.45) inset, 0 14px 34px -14px rgba(116,199,190,0.62), 0 2px 8px rgba(0,0,0,0.35);
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), filter .4s var(--ease);
  white-space: nowrap;
}
.mail-btn:hover { transform: translateY(-2px); filter: brightness(1.03) saturate(1.05); box-shadow: 0 1px 0 rgba(255,255,255,0.55) inset, 0 20px 42px -14px rgba(116,199,190,0.72), 0 4px 12px rgba(0,0,0,0.4); }
.mail-btn svg { width: 1.1em; height: 1.1em; }
.mail-btn svg path, .mail-btn svg rect { stroke: #08110F; }

/* ---------- PROSE (long-form editorial) ---------- */
.prose { margin-top: clamp(2.4rem, 5vw, 3.4rem); max-width: 68ch; }
.prose > * + * { margin-top: 1.15rem; }
.prose h2 {
  margin-top: clamp(2.2rem, 4.5vw, 3rem); font-size: var(--fs-h2);
  font-weight: 750; letter-spacing: -0.02em; color: var(--cream); line-height: 1.12;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 1.8rem; font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.015em; color: var(--cream); }
.prose p { color: var(--warmgray); line-height: 1.7; }
.prose p b, .prose li b { color: var(--cream); font-weight: 600; }
.prose a { color: var(--mint); font-weight: 600; }
.prose a:hover { text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.3rem; color: var(--warmgray); }
.prose li { margin-top: 0.5rem; line-height: 1.66; }
.prose li::marker { color: var(--mint); }
.prose code {
  font-family: var(--font); font-weight: 600; color: var(--mint);
  background: var(--mint-soft); border: 1px solid var(--mint-line);
  padding: 0.05em 0.5em; border-radius: 7px; font-size: 0.92em; white-space: nowrap;
}
.prose blockquote {
  border-left: 2px solid var(--mint-line); padding: 0.2rem 0 0.2rem 1.2rem;
  color: var(--cream); font-style: italic;
}
.prose hr { border: 0; border-top: 1px solid var(--hairline); margin-block: clamp(2rem, 4vw, 2.8rem); }

/* section card (reused from support .qa for grouped facts) */
.card {
  padding: clamp(1.3rem, 3vw, 1.8rem) clamp(1.4rem, 3.2vw, 2rem);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(236,232,222,0.04), rgba(236,232,222,0.015));
  border: 1px solid var(--hairline);
}
.card + .card { margin-top: 0.9rem; }
.card h3 { font-size: var(--fs-h3); font-weight: 700; letter-spacing: -0.015em; color: var(--cream); }
.card p { margin-top: 0.6rem; color: var(--warmgray); line-height: 1.66; }
.card p b { color: var(--cream); font-weight: 600; }
.card a { color: var(--mint); font-weight: 600; }
.card a:hover { text-decoration: underline; text-underline-offset: 3px; }

.endnote {
  margin-top: clamp(2.4rem, 5vw, 3.2rem);
  padding-top: 1.6rem; border-top: 1px solid var(--hairline);
  color: var(--warmgray); font-size: 0.92rem;
}
.endnote a { color: var(--mint); font-weight: 600; }
.endnote a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- FOOTER ---------- */
footer {
  border-top: 1px solid var(--hairline); background: #0a0e12;
  padding-block: clamp(2.5rem, 5vw, 3.5rem); position: relative; z-index: 1;
}
.foot-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.3rem 2rem; }
.foot-brand { display: flex; align-items: center; gap: 0.7em; }
.foot-brand img { width: 30px; height: 30px; border-radius: 8px; }
.foot-brand .meta2 { display: flex; flex-direction: column; line-height: 1.3; }
.foot-brand .meta2 b { font-size: 0.98rem; }
.foot-brand .meta2 small { color: var(--warmgray); font-size: 0.8rem; }
.foot-links { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 1.6rem; }
.foot-links a { color: var(--warmgray); font-size: 0.92rem; transition: color .3s var(--ease); position: relative; }
.foot-links a:hover { color: var(--cream); }
.foot-links a::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 0; height: 1px; background: var(--mint); transition: width .35s var(--ease); }
.foot-links a:hover::after { width: 100%; }
.copyright { color: var(--warmgray); font-size: 0.85rem; }
@media (max-width: 560px) { .foot-inner { flex-direction: column; align-items: flex-start; text-align: left; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}