/* Clean City: estilo propio del juego (verde, redondeado, alegre). Sin JavaScript. */
:root {
  --bg: #f1faf3;
  --card: #ffffff;
  --ink: #12301f;
  --muted: #4d6657;
  --line: #cfe6d6;
  --green: #1f9d57;
  --green-dark: #167a43;
  --sun: #ffc93c;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0c1a12; --card: #13261b; --ink: #e6f5ea; --muted: #9dbba8; --line: #214030; --green: #3ecf7c; --green-dark: #2fb369; }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-rounded, 'SF Pro Rounded', 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--green-dark); }
@media (prefers-color-scheme: dark) { a { color: var(--green); } }
:focus-visible { outline: 3px solid var(--sun); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, p, ul { margin: 0; }

.bar { max-width: 960px; margin: 0 auto; padding: 14px 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 18px; }
.brand img { border-radius: 9px; display: block; }
.bar nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 4px; font-size: 15px; font-weight: 600; }
.bar nav a { display: inline-flex; align-items: center; justify-content: center; height: 36px; padding: 0 12px; border-radius: 999px; color: var(--muted); text-decoration: none; }
.bar nav a:hover { color: var(--ink); background: var(--line); }
.bar nav a[aria-current] { color: var(--ink); background: var(--line); }
.bar nav a.lang { border: 2px solid var(--line); }

main { max-width: 960px; margin: 0 auto; padding: 0 20px 56px; }
section { margin-top: 56px; }
h2 { font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.01em; }

.hero { margin-top: 28px; padding: 44px 24px 48px; text-align: center; background: linear-gradient(180deg, var(--card), var(--bg)); border: 2px solid var(--line); border-radius: 32px; }
.icon { display: block; margin: 0 auto; width: 168px; height: 168px; border-radius: 38px; box-shadow: 0 18px 36px -18px rgba(18, 48, 31, 0.5); animation: float 5s ease-in-out infinite; }
.tag { margin-top: 26px; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green-dark); }
@media (prefers-color-scheme: dark) { .tag { color: var(--green); } }
.hero h1 { margin: 10px auto 0; max-width: 640px; font-size: clamp(2rem, 6.4vw, 3.3rem); line-height: 1.06; letter-spacing: -0.02em; font-weight: 800; text-wrap: balance; }
.lede { margin: 18px auto 0; max-width: 560px; font-size: 1.1rem; color: var(--muted); }
.soon { display: inline-flex; align-items: center; justify-content: center; gap: 10px; margin-top: 28px; padding: 10px 20px; border-radius: 999px; background: var(--green); color: #fff; font-weight: 700; font-size: 15px; }
.soon span { width: 9px; height: 9px; border-radius: 50%; background: var(--sun); animation: pulse 1.8s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.5); opacity: 0.6; } }

.cards { list-style: none; padding: 0; margin-top: 20px; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; }
.cards li { padding: 20px; background: var(--card); border: 2px solid var(--line); border-radius: 20px; transition: transform 0.25s, border-color 0.25s; }
.cards li:hover { transform: translateY(-3px); border-color: var(--green); }
.cards h3 { font-size: 1.05rem; line-height: 1.3; }
.cards p { margin-top: 6px; font-size: 15.5px; color: var(--muted); }

.note { padding: 28px 24px; text-align: center; background: var(--card); border: 2px solid var(--line); border-radius: 24px; }
.note p { margin: 10px auto 0; max-width: 560px; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 20px !important; }
.button { display: inline-flex; align-items: center; justify-content: center; height: 46px; padding: 0 22px; border-radius: 999px; border: 2px solid var(--green); background: var(--green); color: #fff; font-weight: 700; text-decoration: none; transition: transform 0.2s, background-color 0.2s; }
.button:hover { transform: translateY(-2px); background: var(--green-dark); border-color: var(--green-dark); }
.button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.button.ghost:hover { background: var(--line); }

.doc { max-width: 720px; margin: 28px auto 0; padding: 36px clamp(20px, 5vw, 44px) 40px; background: var(--card); border: 2px solid var(--line); border-radius: 28px; }
.doc .tag { margin-top: 0; }
.doc h1 { margin-top: 6px; font-size: clamp(1.9rem, 5.6vw, 2.6rem); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
.doc .meta { margin-top: 8px; font-size: 14px; color: var(--muted); }
.doc h2 { margin-top: 34px; font-size: 1.25rem; }
.doc p { margin-top: 12px; }
.doc ul { margin-top: 12px; padding-left: 22px; display: grid; gap: 6px; }
.doc .links { justify-content: flex-start; }
.doc a { overflow-wrap: anywhere; }
details { margin-top: 10px; padding: 14px 18px; border: 2px solid var(--line); border-radius: 16px; }
details[open] { border-color: var(--green); }
summary { cursor: pointer; font-weight: 700; }
details p { margin-top: 8px; color: var(--muted); }

.foot { max-width: 960px; margin: 0 auto; padding: 22px 20px 36px; border-top: 2px solid var(--line); text-align: center; font-size: 14px; color: var(--muted); }
.foot p + p { margin-top: 6px; }

@media (max-width: 520px) {
  .bar { justify-content: center; }
  .doc .links { justify-content: center; }
  .doc .links .button, .note .links .button { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { .icon, .soon span { animation: none; } * { transition: none !important; } }
@media (prefers-color-scheme: dark) { .soon, .button:not(.ghost) { color: #06210f; } }
/* iconos en línea (react-icons, generados por tools/clean-city.mjs) */
svg { flex: none; }
.bar nav a { gap: 6px; }
.button { gap: 8px; }
.glyph { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 12px; border-radius: 14px; background: var(--line); color: var(--green-dark); }
@media (prefers-color-scheme: dark) { .glyph { color: var(--green); } }