:root {
    --bg-deep:     #16102a;
    --bg-soft:     #251a45;
    --pink:        #ff7eb6;
    --yellow:      #ffd24a;
    --sky:         #6cd2ff;
    --green:       #6ee47e;
    --ink:         #f6efff;
    --ink-soft:    #b6a8d8;
    --panel:       rgba(34, 22, 60, .82);
    --panel-edge:  rgba(255, 255, 255, .08);
    --shadow:      0 16px 36px rgba(0, 0, 0, .4);
    --radius:      14px;
    --maxw:        1100px;
}

* { box-sizing: border-box; }
html, body {
    margin: 0; min-height: 100vh; color: var(--ink);
    font: 16px/1.6 "Segoe UI", system-ui, -apple-system, sans-serif;
    background: var(--bg-deep);
}
body { overflow-x: hidden; }

a, a:visited { color: var(--yellow); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--ink-soft); }
.small { font-size: 13px; }
.accent { color: var(--pink); }

/* animated background blobs */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.bg span {
    position: absolute; width: 480px; height: 480px; border-radius: 50%;
    filter: blur(90px); opacity: .55;
}
.bg span:nth-child(1) { background: var(--pink);   top: -120px; left: -100px; }
.bg span:nth-child(2) { background: var(--sky);    bottom: -160px; right: -120px; }
.bg span:nth-child(3) { background: var(--yellow); top: 40%; left: 50%; transform: translate(-50%, -50%); opacity: .25; }

/* topbar */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    max-width: var(--maxw); margin: 0 auto;
    padding: 22px 24px;
}
.brand, .brand-link { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-link:hover { text-decoration: none; }
.logo-mark {
    width: 32px; height: 32px; border-radius: 9px;
    background: linear-gradient(135deg, var(--pink), var(--yellow) 60%, var(--sky));
    box-shadow: 0 6px 18px rgba(255, 126, 182, .35);
}
.logo-name { font-size: 22px; font-weight: 700; letter-spacing: .3px; }
.navlinks { display: flex; gap: 22px; font-weight: 500; }
.navlinks a { color: var(--ink-soft); }
.navlinks a:hover, .navlinks a.active { color: var(--ink); text-decoration: none; }

/* hero */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 24px 80px; }

.hero {
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px;
    align-items: center; padding: 60px 0 80px;
}
.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.1; margin: 0 0 18px;
    font-weight: 800; letter-spacing: -.5px;
}
.hero .lead {
    font-size: 18px; color: var(--ink-soft); margin: 0 0 28px; max-width: 520px;
}
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }

.btn {
    display: inline-block; padding: 14px 26px; border-radius: 12px;
    font-weight: 600; font-size: 16px; cursor: pointer;
    border: 1px solid transparent; transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn.primary {
    background: linear-gradient(135deg, var(--pink), #ff5b9d);
    color: #1a0a25; box-shadow: 0 10px 22px rgba(255, 91, 157, .35);
}
.btn.ghost {
    background: transparent; color: var(--ink); border-color: var(--panel-edge);
}
.btn.ghost:hover { background: var(--panel); }
.btn.big { padding: 18px 32px; font-size: 17px; }

/* hero art */
.hero-art { position: relative; height: 320px; }
.orb {
    position: absolute; border-radius: 50%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
}
.orb-pink   { width: 180px; height: 180px; background: radial-gradient(circle at 30% 30%, #ffb4d4, var(--pink)); top: 20px; left: 20px; }
.orb-sky    { width: 140px; height: 140px; background: radial-gradient(circle at 30% 30%, #b8e9ff, var(--sky)); top: 100px; right: 30px; }
.orb-yellow { width: 110px; height: 110px; background: radial-gradient(circle at 30% 30%, #ffe79b, var(--yellow)); bottom: 0; left: 40%; }

/* features */
.features {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    padding: 20px 0 60px;
}
.feature {
    background: var(--panel); border: 1px solid var(--panel-edge);
    border-radius: var(--radius); padding: 22px;
    box-shadow: var(--shadow);
}
.feature h3 { margin: 0 0 8px; font-size: 17px; color: var(--yellow); }
.feature p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* news */
.news {
    background: var(--panel); border: 1px solid var(--panel-edge);
    border-radius: var(--radius); padding: 28px 32px;
    box-shadow: var(--shadow);
}
.news h2 { margin: 0 0 16px; }
.newslist { margin: 0; padding-left: 22px; }
.newslist li { margin-bottom: 8px; color: var(--ink-soft); }
.newslist li b { color: var(--ink); }

/* generic page (descarga / reglas) */
.page { padding-top: 20px; }
.card {
    background: var(--panel); border: 1px solid var(--panel-edge);
    border-radius: var(--radius); padding: 36px;
    box-shadow: var(--shadow);
}
.card h1 { margin-top: 0; font-size: 32px; }
.card h2 { margin-top: 28px; font-size: 20px; color: var(--yellow); }
.card .lead { color: var(--ink-soft); font-size: 17px; }
.card ul, .card ol { padding-left: 22px; }
.card li { margin-bottom: 6px; }
.card code {
    background: rgba(0, 0, 0, .35); padding: 2px 6px; border-radius: 5px;
    font-size: 14px; color: var(--sky);
}

/* download card */
.dl-card {
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(255, 255, 255, .04); border: 1px solid var(--panel-edge);
    border-radius: 12px; padding: 22px 26px; margin: 24px 0 32px;
    flex-wrap: wrap; gap: 16px;
}
.dl-info h3 { margin: 0 0 4px; font-size: 18px; }
.dl-info p { margin: 0; font-size: 14px; }
.steps { line-height: 1.8; }
.demo-list { line-height: 1.9; }

/* footer */
footer {
    border-top: 1px solid var(--panel-edge); margin-top: 40px;
    padding: 22px 24px; color: var(--ink-soft); font-size: 14px;
}
.footrow {
    max-width: var(--maxw); margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 12px;
}
.footrow nav { display: flex; gap: 18px; }
.footrow a { color: var(--ink-soft); }
.footrow a:hover { color: var(--ink); text-decoration: none; }

/* responsive */
@media (max-width: 880px) {
    .hero { grid-template-columns: 1fr; gap: 24px; padding: 40px 0 60px; }
    .hero-art { height: 240px; }
    .features { grid-template-columns: repeat(2, 1fr); }
    .navlinks { gap: 14px; font-size: 14px; }
}
@media (max-width: 540px) {
    .features { grid-template-columns: 1fr; }
    .card { padding: 24px; }
    .topbar { padding: 16px; }
    .navlinks a { font-size: 13px; }
}