/* Solitaire: Classic Deal — felt, cream card stock, one gold accent. No dependencies. */
:root {
  --felt: #0d6b33; --felt-deep: #08411f; --felt-light: #1a8a45;
  --cream: #fcfaf5; --ink: #1a1a1c; --ink-soft: #4a4a4f; --line: rgba(26,26,28,.14);
  --gold: #e6b830; --gold-deep: #9c7410; --red: #c71a1f;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --max: 68rem;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 17px/1.6 var(--sans); color: var(--ink); background: var(--cream); }
a { color: var(--felt); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--felt-deep); }
img { max-width: 100%; height: auto; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.top { background: radial-gradient(120% 90% at 50% 0%, var(--felt-light), var(--felt) 45%, var(--felt-deep)); color: #fff; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; text-decoration: none; font-family: var(--serif); font-size: 1.15rem; letter-spacing: .01em; }
.brand img { width: 40px; height: 40px; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.35); }
.nav nav a { color: rgba(255,255,255,.88); margin-left: 1.25rem; text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: #fff; text-decoration: underline; }

/* Hero */
.hero-stage { position: relative; overflow: hidden; }
#cascade { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.hero-stage .wrap { position: relative; z-index: 1; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2.5rem; align-items: center; padding: 3rem 0 3.5rem; }
.hero .phone { justify-self: center; width: min(330px, 78vw); filter: drop-shadow(0 30px 50px rgba(0,0,0,.5)); }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.05; margin: 0 0 1rem; }
.hero h1 em { font-style: italic; color: var(--gold); }
.hero p.lede { font-size: 1.15rem; color: rgba(255,255,255,.9); max-width: 34rem; margin: 0 0 1.6rem; }
.cta { display: inline-flex; align-items: center; gap: .6rem; background: var(--gold); color: var(--ink); font-weight: 700; padding: .85rem 1.3rem; border-radius: 999px; text-decoration: none; box-shadow: 0 6px 20px rgba(0,0,0,.25); }
.cta:hover { background: #f0c64a; color: var(--ink); }
.cta.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5); box-shadow: none; margin-left: .6rem; }
.hero .shot { justify-self: center; width: min(320px, 80vw); border-radius: 28px; box-shadow: 0 30px 60px rgba(0,0,0,.45), 0 0 0 6px rgba(0,0,0,.35); }
.fine { font-size: .85rem; color: rgba(255,255,255,.7); margin-top: 1rem; }

/* Framed device with the recorded cascade playing on its screen. */
.device { position: relative; width: min(320px, 78vw); justify-self: center; filter: drop-shadow(0 20px 40px rgba(0,0,0,.3)); }
.device img { width: 100%; display: block; }
.device .screen { position: absolute; left: 4.22%; top: 7.71%; width: 91.33%; height: 90.45%; object-fit: cover; border-radius: 0 0 14% 14% / 0 0 6% 6%; background: #0d6b33; }

/* Sections */
section.block { padding: 3.5rem 0; }
section.block + section.block { border-top: 1px solid var(--line); }
.kicker { font: 700 .72rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--gold-deep); margin: 0 0 .6rem; }
h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 1rem; line-height: 1.15; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.5rem 2rem; margin-top: 1.5rem; }
.grid h3 { margin: 0 0 .3rem; font-size: 1.05rem; }
.grid p { margin: 0; color: var(--ink-soft); }
.backs { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.backs img { width: 96px; border-radius: 8px; box-shadow: 0 8px 18px rgba(0,0,0,.18); transform: rotate(-3deg); }
.backs img:nth-child(even) { transform: rotate(3deg); }
.victory { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: center; }


/* Documents */
main.doc { max-width: 44rem; margin: 0 auto; padding: 2.5rem 1.25rem 5rem; }
main.doc header { margin-bottom: 2rem; }
main.doc h1 { font-family: var(--serif); font-weight: 600; font-size: 2.2rem; margin: .2rem 0 .4rem; line-height: 1.15; }
main.doc .meta { color: var(--ink-soft); font-size: .9rem; margin: 0 0 1rem; }
main.doc .lede { font-size: 1.1rem; }
main.doc h2 { font-size: 1.35rem; margin: 2.2rem 0 .6rem; }
main.doc p, main.doc li { color: var(--ink); }
main.doc ul { padding-left: 1.2rem; }
details { border-top: 1px solid var(--line); padding: .8rem 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--gold-deep); font-weight: 700; }
details[open] summary::after { content: "–"; }
.answer { color: var(--ink-soft); }
code { font: .92em ui-monospace, SFMono-Regular, Menlo, monospace; background: rgba(26,26,28,.06); padding: .1em .35em; border-radius: 4px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; font-size: .9rem; color: var(--ink-soft); }
footer .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; justify-content: space-between; }
footer a { color: var(--ink-soft); }

@media (max-width: 720px) {
  .hero, .victory { grid-template-columns: 1fr; }
  .hero { padding: 2rem 0 2.5rem; text-align: center; }
  .hero p.lede { margin-inline: auto; }
  .hero p.lede { margin-inline: auto; }
  .nav nav a { margin-left: .9rem; }
  .cta.ghost { margin: .6rem 0 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }