/* ============================================================
   Lamplight — shared design system
   Atmospheric, literary. Reading by lamplight.
   ============================================================ */

:root {
  /* warm ink palette */
  --bg:        oklch(0.165 0.008 56);
  --bg-1:      oklch(0.205 0.010 56);
  --bg-2:      oklch(0.250 0.012 56);
  --line:      oklch(0.40 0.012 56 / 0.22);
  --line-soft: oklch(0.40 0.012 56 / 0.12);

  --ink:       oklch(0.945 0.012 80);
  --ink-soft:  oklch(0.80 0.012 76);
  --ink-mute:  oklch(0.62 0.012 70);

  --ember:     oklch(0.76 0.135 58);
  --ember-dim: oklch(0.70 0.120 52);
  --ember-15:  oklch(0.76 0.135 58 / 0.14);
  --ember-08:  oklch(0.76 0.135 58 / 0.08);

  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:  'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  --maxw: 1200px;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 16px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 350;
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ambient warm glow at the top of every page */
body::before {
  content: "";
  position: fixed;
  inset: -20% -20% auto -20%;
  height: 70vh;
  background: radial-gradient(60% 100% at 50% 0%, var(--ember-08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--ember); color: oklch(0.18 0.01 56); }

/* ---------- typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
.display {
  font-size: clamp(2.7rem, 6.4vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}
h2 { font-size: clamp(1.9rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.35rem, 2vw, 1.7rem); }
em, .it { font-style: italic; }
.serif { font-family: var(--serif); }

p { text-wrap: pretty; }
.lead {
  font-size: clamp(1.12rem, 1.7vw, 1.38rem);
  line-height: 1.6;
  color: var(--ink-soft);
  font-weight: 350;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ember);
}
.muted { color: var(--ink-mute); }
.soft  { color: var(--ink-soft); }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); position: relative; z-index: 1; }
.narrow { max-width: 720px; }
section { position: relative; z-index: 1; }
.section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.rule { height: 1px; background: var(--line); border: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--sans);
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  padding: 0.85em 1.4em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.btn-primary {
  background: var(--ember);
  color: oklch(0.20 0.02 56);
  font-weight: 650;
  box-shadow: 0 1px 0 oklch(0.9 0.08 70 / 0.3) inset, 0 10px 30px -12px var(--ember);
}
.btn-primary:hover { transform: translateY(-2px); background: oklch(0.79 0.14 60); }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--ink-mute); transform: translateY(-2px); background: oklch(1 0 0 / 0.02); }

.btn-lg { padding: 1em 1.6em; font-size: 1.02rem; }

/* telegram glyph (simple paper plane built from a clipped square) */
.tg {
  width: 1.05em; height: 1.05em; flex: none;
  display: inline-block;
  background: currentColor;
  clip-path: polygon(100% 0, 0 45%, 42% 56%, 58% 100%, 70% 62%);
}

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(1.2);
  background: oklch(0.165 0.008 56 / 0.72);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { border-bottom-color: var(--line-soft); background: oklch(0.16 0.008 56 / 0.86); }
.nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0.9rem var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.62rem; font-family: var(--serif); font-size: 1.32rem; letter-spacing: -0.01em; }
.brand .lamp {
  width: 30px; height: 16px; flex: none; position: relative;
  background: url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2030%2016'%3E%3Cg%20fill='none'%20stroke='%23E7A24F'%20stroke-width='1.5'%20stroke-linecap='round'%3E%3Cpath%20d='M17.46%204.35%20A4.4%204.4%200%200%201%2017.46%2011.65'%20opacity='0.85'/%3E%3Cpath%20d='M12.54%204.35%20A4.4%204.4%200%200%200%2012.54%2011.65'%20opacity='0.85'/%3E%3Cpath%20d='M19.43%202.33%20A7.2%207.2%200%200%201%2019.43%2013.67'%20opacity='0.42'/%3E%3Cpath%20d='M10.57%202.33%20A7.2%207.2%200%200%200%2010.57%2013.67'%20opacity='0.42'/%3E%3C/g%3E%3Ccircle%20cx='15'%20cy='8'%20r='2.2'%20fill='%23E7A24F'/%3E%3C/svg%3E") no-repeat center / contain;
  filter: drop-shadow(0 0 5px oklch(0.76 0.135 58 / 0.5));
}
.nav .brand .lamp::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 5px; height: 5px;
  border-radius: 50%; transform: translate(-50%, -50%);
  box-shadow: 0 0 0 1.2px var(--ember); opacity: 0;
  animation: signal-ping 3.6s var(--ease) infinite;
}
@keyframes signal-ping {
  0%   { opacity: 0; transform: translate(-50%,-50%) scale(0.5); }
  12%  { opacity: 0.5; }
  70%  { opacity: 0; transform: translate(-50%,-50%) scale(2.8); }
  100% { opacity: 0; }
}
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a.lnk {
  font-size: 0.95rem; color: var(--ink-soft); font-weight: 450;
  position: relative; transition: color 0.2s;
}
.nav-links a.lnk::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1px;
  background: var(--ember); transition: right 0.3s var(--ease);
}
.nav-links a.lnk:hover, .nav-links a.lnk[aria-current="page"] { color: var(--ink); }
.nav-links a.lnk:hover::after, .nav-links a.lnk[aria-current="page"]::after { right: 0; }
.nav-cta { display: flex; align-items: center; gap: 0.5rem; }

.menu-btn {
  display: none; background: none; border: 0; cursor: pointer; color: var(--ink);
  width: 40px; height: 40px; flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.menu-btn span { width: 22px; height: 1.5px; background: currentColor; transition: 0.3s var(--ease); }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 820px) {
  .nav-links {
    position: fixed; inset: 62px 0 auto 0;
    flex-direction: column; align-items: flex-start; gap: 0.4rem;
    background: oklch(0.155 0.008 56 / 0.97); backdrop-filter: blur(16px);
    padding: 1rem var(--pad) 1.8rem; border-bottom: 1px solid var(--line);
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: 0.28s var(--ease);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a.lnk { font-size: 1.3rem; font-family: var(--serif); padding: 0.5rem 0; }
  .nav-links .nav-cta { margin-top: 0.8rem; }
  .menu-btn { display: flex; }
}

/* ---------- cover art placeholders ---------- */
.cover {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background:
    repeating-linear-gradient(135deg, oklch(1 0 0 / 0.022) 0 2px, transparent 2px 13px),
    radial-gradient(120% 90% at 50% 8%, oklch(0.42 0.06 var(--h, 58)), transparent 60%),
    linear-gradient(165deg, oklch(0.30 0.045 var(--h, 58)), oklch(0.19 0.025 var(--h, 58)));
  display: grid;
  place-items: center;
  isolation: isolate;
}
.cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 50% 120%, oklch(0 0 0 / 0.45), transparent 55%);
}
.cover .cover-art {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
}
.cover .cover-label {
  position: relative; z-index: 2; text-align: center; padding: 1rem;
}
.cover:has(.cover-art) .cover-label { align-self: end; padding-bottom: 1.4rem; }
.cover .cover-label .ttl { text-shadow: 0 2px 14px oklch(0 0 0 / 0.55); }
.cover .cover-label .ttl { font-family: var(--serif); font-size: clamp(1.3rem, 2.6vw, 2rem); color: oklch(0.95 0.02 var(--h, 58)); line-height: 1.05; }
.cover .cover-tag {
  position: absolute; top: 10px; left: 10px; z-index: 3;
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-mute); background: oklch(0 0 0 / 0.35); border: 1px solid var(--line-soft);
  padding: 3px 7px; border-radius: 5px;
}
.cover .cover-note {
  position: absolute; bottom: 12px; left: 0; right: 0; z-index: 3; text-align: center;
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; color: var(--ink-mute);
}

/* ---------- game cards ---------- */
.games-grid {
  display: grid; gap: clamp(1.1rem, 2.4vw, 1.8rem);
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
}
.game-card { display: flex; flex-direction: column; gap: 1rem; }
.game-card .cover { transition: transform 0.4s var(--ease), border-color 0.4s; }
.game-card:hover .cover { transform: translateY(-6px); border-color: var(--line); }
.game-card .gc-meta { display: flex; flex-direction: column; gap: 0.35rem; }
.game-card .gc-title { font-family: var(--serif); font-size: 1.5rem; line-height: 1.05; display: flex; align-items: baseline; gap: 0.5rem; }
.game-card .gc-log { color: var(--ink-mute); font-size: 0.95rem; line-height: 1.5; }
.game-card .gc-tags { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; color: var(--ink-mute); text-transform: uppercase; }
.tag-pill {
  font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ember); border: 1px solid var(--ember-15); background: var(--ember-08);
  padding: 2px 8px; border-radius: 999px; white-space: nowrap;
}
.tag-soon { color: var(--ink-mute); border-color: var(--line); background: transparent; }

/* ---------- reader / interactive-fiction surface ---------- */
.reader {
  background: linear-gradient(180deg, var(--bg-1), oklch(0.185 0.009 56));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  box-shadow: 0 30px 70px -40px oklch(0 0 0 / 0.8);
}
.reader-bar {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.3rem;
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-mute);
}
.reader-bar .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 10px var(--ember); }
.prose-if {
  font-family: var(--serif); font-size: clamp(1.15rem, 1.9vw, 1.45rem); line-height: 1.62; color: var(--ink);
}
.prose-if p + p { margin-top: 0.9em; }
.choice-list { display: flex; flex-direction: column; gap: 0.6rem; margin-top: 1.5rem; }
.choice {
  font-family: var(--sans); font-size: 1rem; text-align: left;
  padding: 0.85em 1.1em; border-radius: 11px;
  background: oklch(1 0 0 / 0.025); border: 1px solid var(--line);
  color: var(--ink-soft); cursor: pointer; display: flex; align-items: center; gap: 0.7rem;
  transition: 0.22s var(--ease);
}
.choice .ch-mark { font-family: var(--mono); font-size: 0.78rem; color: var(--ember); }
.choice:hover { background: var(--ember-08); border-color: var(--ember-15); color: var(--ink); transform: translateX(3px); }
.caret { display: inline-block; width: 2px; height: 1.05em; background: var(--ember); margin-left: 2px; transform: translateY(3px); animation: blink 1.05s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- generic cards / feature blocks ---------- */
.card {
  background: var(--bg-1); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.2rem);
}
.promise {
  display: grid; gap: 1.4rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.promise .item { padding-top: 1.4rem; border-top: 1px solid var(--line); }
.promise .item .no { font-family: var(--serif); font-style: italic; font-size: 2rem; color: var(--ember); line-height: 1; }
.promise .item h3 { margin: 0.7rem 0 0.5rem; font-size: 1.45rem; }
.promise .item p { color: var(--ink-mute); font-size: 0.97rem; }

.feature-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: clamp(1.2rem, 3vw, 2.4rem); }
.feature .fn { font-family: var(--mono); font-size: 0.74rem; color: var(--ember); letter-spacing: 0.12em; }
.feature h3 { margin: 0.7rem 0 0.45rem; font-size: 1.3rem; }
.feature p { color: var(--ink-mute); font-size: 0.96rem; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: clamp(3rem, 6vw, 4.5rem) 2.5rem; margin-top: 2rem; }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: 1.6fr 1fr 1fr 1fr; }
.footer-grid .col h4 { font-family: var(--mono); font-weight: 500; font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); margin-bottom: 1rem; }
.footer-grid .col a { display: block; color: var(--ink-soft); font-size: 0.96rem; padding: 0.28rem 0; transition: color 0.2s; }
.footer-grid .col a:hover { color: var(--ember); }
.footer-blurb { color: var(--ink-mute); font-size: 0.95rem; max-width: 30ch; margin: 1rem 0 1.4rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line-soft); font-size: 0.85rem; color: var(--ink-mute); font-family: var(--mono); letter-spacing: 0.04em; }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-grid .col.brandcol { grid-column: 1 / -1; } }

/* ---------- page hero (interior pages) ---------- */
.page-hero { padding-block: clamp(3.5rem, 7vw, 6rem) clamp(2rem, 4vw, 3.5rem); }
.page-hero .display { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }

/* ---------- legal / prose pages ---------- */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.5rem; margin: 2.6rem 0 0.9rem; font-family: var(--serif); }
.legal h3 { font-size: 1.15rem; margin: 1.8rem 0 0.6rem; }
.legal p, .legal li { color: var(--ink-soft); font-size: 1.02rem; line-height: 1.7; margin-bottom: 0.9rem; }
.legal ul { padding-left: 1.3rem; margin-bottom: 1rem; }
.legal li { margin-bottom: 0.45rem; }
.legal a { color: var(--ember); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--ember-15); }
.legal a:hover { text-decoration-color: var(--ember); }
.legal-meta { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-mute); letter-spacing: 0.06em; }
.toc { font-family: var(--mono); font-size: 0.85rem; }
.toc a { display: block; color: var(--ink-mute); padding: 0.3rem 0; border-left: 1px solid var(--line); padding-left: 1rem; transition: 0.2s; }
.toc a:hover { color: var(--ember); border-color: var(--ember); }

/* ---------- misc ---------- */
.eyebrow-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem; }
.eyebrow-row .line { height: 1px; width: 48px; background: var(--ember); opacity: 0.6; }
.pill-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stat-num { font-family: var(--serif); font-size: clamp(2.4rem, 4vw, 3.4rem); color: var(--ink); line-height: 1; }
.stat-lbl { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); margin-top: 0.5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- reveal on scroll ---------- */
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal-ready [data-reveal].in { opacity: 1; transform: none; }
.reveal-ready [data-reveal][data-delay="1"] { transition-delay: 0.08s; }
.reveal-ready [data-reveal][data-delay="2"] { transition-delay: 0.16s; }
.reveal-ready [data-reveal][data-delay="3"] { transition-delay: 0.24s; }
.reveal-ready [data-reveal][data-delay="4"] { transition-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
  .nav .brand .lamp::after { animation: none; }
}