/* CardX site. Colors come from the classic52 pack art: felt, card stock, suit red, back blue. */
:root {
  --felt: #0f5132;
  --felt-deep: #0a3a24;
  --felt-dark: #072818;
  --felt-line: #1f6b47;
  --card: #fdfcf8;
  --card-edge: #e4dfd3;
  --ink: #1a1a1a;
  --red: #c8102e;
  --blue: #1d4e89;
  --sky: #5fa8d3;
  --gold: #e8b64c;
  --fg: #f3f1ea;
  --muted: #a9c3b4;
  --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--felt-dark);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
a { color: var(--gold); }
a:hover { color: #f5cf7a; }
img, svg { display: block; max-width: 100%; }
.wrap { width: min(100% - 32px, 1120px); margin-inline: auto; }
.serif { font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; }

/* Header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgb(7 40 24 / .82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid rgb(255 255 255 / .06);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -.01em; }
.brand img { width: 30px; height: 30px; }
.brand:hover { color: var(--fg); }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--fg); }
@media (max-width: 720px) { .nav { display: none; } }

/* Hero */
.hero {
  background:
    radial-gradient(1100px 620px at 70% 20%, #16714a 0%, transparent 60%),
    radial-gradient(800px 500px at 0% 100%, #0c4a2e 0%, transparent 70%),
    var(--felt-deep);
  border-bottom: 1px solid var(--felt-line);
  overflow: hidden;
}
.hero .wrap { display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 40px; padding-block: 72px 80px; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; padding-block: 48px 56px; gap: 28px; } }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--gold); }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgb(232 182 76 / .2); }
h1 { font-size: clamp(38px, 6vw, 64px); line-height: 1.04; letter-spacing: -.02em; margin: 16px 0 18px; font-weight: 700; }
h1 em { font-style: italic; color: var(--gold); }
.lede { font-size: clamp(18px, 2.2vw, 20px); color: #d5e3da; max-width: 34em; margin: 0 0 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 20px; border-radius: 12px; font-weight: 700; font-size: 16px;
  text-decoration: none; border: 0; cursor: pointer; font-family: inherit;
  background: var(--card); color: var(--felt-dark);
  box-shadow: 0 1px 0 rgb(255 255 255 / .5) inset, 0 6px 18px rgb(0 0 0 / .25);
}
.btn:hover { color: var(--felt-dark); background: #fff; }
.btn.ghost { background: transparent; color: var(--fg); box-shadow: inset 0 0 0 1.5px rgb(255 255 255 / .28); }
.btn.ghost:hover { background: rgb(255 255 255 / .06); color: var(--fg); }
.hero-art { filter: drop-shadow(0 30px 40px rgb(0 0 0 / .35)); }

/* Sections */
section { padding-block: 84px; }
section.alt { background: var(--felt-deep); border-block: 1px solid var(--felt-line); }
h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.1; letter-spacing: -.015em; margin: 0 0 14px; font-weight: 700; }
.section-lede { color: var(--muted); font-size: 18px; max-width: 40em; margin: 0 0 40px; }
h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -.005em; }
p { margin: 0 0 12px; }
.muted { color: var(--muted); }

/* Steps as playing cards */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.steps li {
  position: relative; background: var(--card); color: var(--ink);
  border-radius: var(--radius); padding: 26px 22px 24px 22px;
  box-shadow: 0 0 0 1px var(--card-edge) inset, 0 14px 30px rgb(0 0 0 / .28);
}
.steps li::before {
  counter-increment: step; content: counter(step);
  display: block; font: 700 30px/1 "Iowan Old Style", Palatino, Georgia, serif; margin-bottom: 14px;
}
.steps li:nth-child(odd)::before { color: var(--red); }
.steps li .pip { position: absolute; top: 22px; right: 20px; width: 22px; height: 22px; }
.steps p { color: #4a4740; font-size: 16px; margin: 0; }

/* Two-screen table */
.screens { width: 100%; border-collapse: separate; border-spacing: 0; background: rgb(0 0 0 / .18); border: 1px solid var(--felt-line); border-radius: var(--radius); overflow: hidden; font-size: 16px; }
.screens th, .screens td { text-align: left; padding: 14px 18px; border-bottom: 1px solid rgb(255 255 255 / .07); vertical-align: top; }
.screens tr:last-child td { border-bottom: 0; }
.screens thead th { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: rgb(0 0 0 / .2); }
.screens td:first-child { font-weight: 700; white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 99px; margin-left: 8px; vertical-align: 2px; }
.tag.now { background: var(--gold); color: var(--felt-dark); }
.tag.next { background: rgb(95 168 211 / .2); color: #a8d4ee; }
.tag.later { background: rgb(255 255 255 / .08); color: var(--muted); }
@media (max-width: 640px) {
  .screens thead { display: none; }
  .screens, .screens tbody, .screens tr, .screens td { display: block; width: 100%; }
  .screens tr { padding: 14px 16px; border-bottom: 1px solid rgb(255 255 255 / .07); }
  .screens tr:last-child { border-bottom: 0; }
  .screens td { padding: 2px 0; border: 0; }
  .screens td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-weight: 600; }
}

/* Feature grids */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid, .grid.two { grid-template-columns: 1fr; } }
.tile { background: rgb(0 0 0 / .18); border: 1px solid var(--felt-line); border-radius: var(--radius); padding: 22px; }
.tile p { color: var(--muted); font-size: 16px; margin: 0; }
.tile .icon { width: 36px; height: 36px; margin-bottom: 14px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%; background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.6 2.5L13 6.5' fill='none' stroke='%23072818' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat; }

.packs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.packs figure { margin: 0; text-align: center; }
.packs img { width: 100%; height: auto; border-radius: 20%; box-shadow: 0 0 0 1px var(--felt-line), 0 16px 32px rgb(0 0 0 / .3); }
.packs figure:nth-child(2) { transform: translateY(18px); }
.packs figcaption { margin-top: 12px; font-size: 14px; font-weight: 600; color: var(--muted); }

/* Roadmap */
.road { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; border-left: 2px solid var(--felt-line); }
.road li { position: relative; padding: 0 0 26px 28px; }
.road li:last-child { padding-bottom: 0; }
.road li::before { content: ""; position: absolute; left: -8px; top: 6px; width: 14px; height: 14px; border-radius: 50%; background: var(--felt-dark); border: 2px solid var(--felt-line); }
.road li.done::before { background: var(--gold); border-color: var(--gold); }
.road li.now::before { background: var(--felt-dark); border-color: var(--gold); box-shadow: 0 0 0 4px rgb(232 182 76 / .2); }
.road strong { display: block; }
.road span { color: var(--muted); font-size: 16px; }

/* Join box */
.joinbox { display: flex; gap: 10px; flex-wrap: wrap; }
.joinbox input {
  flex: 1 1 160px; min-width: 0; font: 800 22px/1 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .3em; text-transform: uppercase;
  padding: 12px 14px; border-radius: 12px; border: 1.5px solid rgb(255 255 255 / .25); background: rgb(0 0 0 / .25); color: var(--fg);
}
.joinbox input::placeholder { color: rgb(255 255 255 / .3); }
.joinbox input:focus { outline: none; border-color: var(--gold); }

/* Prose pages */
.prose { max-width: 720px; padding-block: 56px 80px; }
.prose h1 { font-size: clamp(34px, 5vw, 48px); }
.prose h2 { font-size: 24px; margin-top: 40px; }
.prose li { margin-bottom: 6px; }
.prose p, .prose li { color: #d5e3da; }

/* Footer */
footer { border-top: 1px solid var(--felt-line); padding-block: 36px 48px; color: var(--muted); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--fg); }

@media (prefers-reduced-motion: no-preference) {
  .float { animation: float 6s ease-in-out infinite; transform-box: fill-box; }
  .float.b { animation-delay: -3s; }
  @keyframes float { 50% { transform: translateY(-6px); } }
}